diff --git a/composer.json b/composer.json
index 9a9a21ac..1f42fcbf 100644
--- a/composer.json
+++ b/composer.json
@@ -36,7 +36,6 @@
   "require-dev": {
     "doctrine/doctrine-bundle": "^2.0|^3.0",
     "league/flysystem-memory": "^3.0",
-    "phpspec/prophecy-phpunit": "^2.0",
     "phpstan/phpstan": "^1.4",
     "phpunit/phpunit": "^11.0|^12.0",
     "sonata-project/admin-bundle": "^4.0",
diff --git a/src/batch-doctrine-dbal/src/DoctrineDBALInsertWriter.php b/src/batch-doctrine-dbal/src/DoctrineDBALInsertWriter.php
index db1ee81c..2344cd3b 100644
--- a/src/batch-doctrine-dbal/src/DoctrineDBALInsertWriter.php
+++ b/src/batch-doctrine-dbal/src/DoctrineDBALInsertWriter.php
@@ -14,7 +14,7 @@
  * via a Doctrine {@see Connection}.
  * All items must be arrays.
  */
-final class DoctrineDBALInsertWriter implements ItemWriterInterface
+final readonly class DoctrineDBALInsertWriter implements ItemWriterInterface
 {
     private Connection $connection;
 
diff --git a/src/batch-doctrine-dbal/src/DoctrineDBALJobExecutionStorage.php b/src/batch-doctrine-dbal/src/DoctrineDBALJobExecutionStorage.php
index f700ab8b..0dce46d0 100644
--- a/src/batch-doctrine-dbal/src/DoctrineDBALJobExecutionStorage.php
+++ b/src/batch-doctrine-dbal/src/DoctrineDBALJobExecutionStorage.php
@@ -42,8 +42,8 @@ final class DoctrineDBALJobExecutionStorage implements
         'connection' => null,
     ];
 
-    private Connection $connection;
-    private string $table;
+    private readonly Connection $connection;
+    private readonly string $table;
     private JobExecutionRowNormalizer $normalizer;
 
     /**
@@ -334,53 +334,53 @@ private function addWheres(Query $query, QueryBuilder $qb): array
         $queryTypes = [];
 
         $names = $query->jobs();
-        if (\count($names) > 0) {
+        if ($names !== []) {
             $qb->andWhere($qb->expr()->in('job_name', ':jobNames'));
             $queryParameters['jobNames'] = $names;
             $queryTypes['jobNames'] = ArrayParameterType::STRING;
         }
 
         $ids = $query->ids();
-        if (\count($ids) > 0) {
+        if ($ids !== []) {
             $qb->andWhere($qb->expr()->in('id', ':ids'));
             $queryParameters['ids'] = $ids;
             $queryTypes['ids'] = ArrayParameterType::STRING;
         }
 
         $statuses = $query->statuses();
-        if (\count($statuses) > 0) {
+        if ($statuses !== []) {
             $qb->andWhere($qb->expr()->in('status', ':statuses'));
             $queryParameters['statuses'] = $statuses;
             $queryTypes['statuses'] = ArrayParameterType::INTEGER;
         }
 
-        if ($query->startTime()) {
+        if ($query->startTime() !== null) {
             $qb->andWhere($qb->expr()->isNotNull('start_time'));
         }
         $startDateFrom = $query->startTime()?->getFrom();
-        if ($startDateFrom) {
+        if ($startDateFrom !== null) {
             $qb->andWhere($qb->expr()->gte('start_time', ':startDateFrom'));
             $queryParameters['startDateFrom'] = $startDateFrom;
             $queryTypes['startDateFrom'] = Types::DATETIME_IMMUTABLE;
         }
         $startDateTo = $query->startTime()?->getTo();
-        if ($startDateTo) {
+        if ($startDateTo !== null) {
             $qb->andWhere($qb->expr()->lte('start_time', ':startDateTo'));
             $queryParameters['startDateTo'] = $startDateTo;
             $queryTypes['startDateTo'] = Types::DATETIME_IMMUTABLE;
         }
 
-        if ($query->endTime()) {
+        if ($query->endTime() !== null) {
             $qb->andWhere($qb->expr()->isNotNull('start_time'));
         }
         $endDateFrom = $query->endTime()?->getFrom();
-        if ($endDateFrom) {
+        if ($endDateFrom !== null) {
             $qb->andWhere($qb->expr()->gte('end_time', ':endDateFrom'));
             $queryParameters['endDateFrom'] = $endDateFrom;
             $queryTypes['endDateFrom'] = Types::DATETIME_IMMUTABLE;
         }
         $endDateTo = $query->endTime()?->getTo();
-        if ($endDateTo) {
+        if ($endDateTo !== null) {
             $qb->andWhere($qb->expr()->lte('end_time', ':endDateTo'));
             $queryParameters['endDateTo'] = $endDateTo;
             $queryTypes['endDateTo'] = Types::DATETIME_IMMUTABLE;
diff --git a/src/batch-doctrine-dbal/src/DoctrineDBALQueryCursorReader.php b/src/batch-doctrine-dbal/src/DoctrineDBALQueryCursorReader.php
index bf3d5a2c..db149c60 100644
--- a/src/batch-doctrine-dbal/src/DoctrineDBALQueryCursorReader.php
+++ b/src/batch-doctrine-dbal/src/DoctrineDBALQueryCursorReader.php
@@ -25,7 +25,7 @@
  * In that case, {@see DoctrineDBALQueryCursorReader::$column} argument should be "id",
  * and if id is a numeric column {@see DoctrineDBALQueryCursorReader::$start} should be 0.
  */
-final class DoctrineDBALQueryCursorReader implements ItemReaderInterface
+final readonly class DoctrineDBALQueryCursorReader implements ItemReaderInterface
 {
     private Connection $connection;
 
diff --git a/src/batch-doctrine-dbal/src/DoctrineDBALQueryOffsetReader.php b/src/batch-doctrine-dbal/src/DoctrineDBALQueryOffsetReader.php
index df073a77..ec84ad46 100644
--- a/src/batch-doctrine-dbal/src/DoctrineDBALQueryOffsetReader.php
+++ b/src/batch-doctrine-dbal/src/DoctrineDBALQueryOffsetReader.php
@@ -15,7 +15,7 @@
  * This {@see ItemReaderInterface} executes an SQL query to a Doctrine connection,
  * and iterate over each result as an item.
  */
-final class DoctrineDBALQueryOffsetReader implements ItemReaderInterface
+final readonly class DoctrineDBALQueryOffsetReader implements ItemReaderInterface
 {
     private Connection $connection;
     private string $sql;
diff --git a/src/batch-doctrine-dbal/src/DoctrineDBALUpsert.php b/src/batch-doctrine-dbal/src/DoctrineDBALUpsert.php
index 83e54675..84b6998a 100644
--- a/src/batch-doctrine-dbal/src/DoctrineDBALUpsert.php
+++ b/src/batch-doctrine-dbal/src/DoctrineDBALUpsert.php
@@ -8,7 +8,7 @@
  * This model object is used by {@see DoctrineDBALUpsertWriter}.
  * It holds table, data and identity to perform upsert operation.
  */
-final class DoctrineDBALUpsert
+final readonly class DoctrineDBALUpsert
 {
     public function __construct(
         private string $table,
diff --git a/src/batch-doctrine-dbal/src/JobExecutionRowNormalizer.php b/src/batch-doctrine-dbal/src/JobExecutionRowNormalizer.php
index c5f6eb69..d830dc70 100644
--- a/src/batch-doctrine-dbal/src/JobExecutionRowNormalizer.php
+++ b/src/batch-doctrine-dbal/src/JobExecutionRowNormalizer.php
@@ -19,7 +19,7 @@
 /**
  * @internal
  */
-final class JobExecutionRowNormalizer
+final readonly class JobExecutionRowNormalizer
 {
     public function __construct(
         private AbstractPlatform $platform,
diff --git a/src/batch-doctrine-dbal/tests/DoctrineDBALJobExecutionStorageTest.php b/src/batch-doctrine-dbal/tests/DoctrineDBALJobExecutionStorageTest.php
index 60fdd2cc..bdaa6330 100644
--- a/src/batch-doctrine-dbal/tests/DoctrineDBALJobExecutionStorageTest.php
+++ b/src/batch-doctrine-dbal/tests/DoctrineDBALJobExecutionStorageTest.php
@@ -41,7 +41,7 @@ public function testCreateStandardTable(): void
         self::assertTrue($schemaManager->tablesExist(['yokai_batch_job_execution']));
 
         $columns = $schemaManager->listTableColumns('yokai_batch_job_execution');
-        self::assertEquals(
+        self::assertSame(
             [
                 'id',
                 'job_name',
@@ -68,7 +68,7 @@ public function testCreateCustomTable(): void
         self::assertTrue($schemaManager->tablesExist(['acme_job_executions']));
 
         $columns = $schemaManager->listTableColumns('acme_job_executions');
-        self::assertEquals(
+        self::assertSame(
             [
                 'id',
                 'job_name',
@@ -279,7 +279,7 @@ public function testQuery(QueryBuilder $queryBuilder, array $expectedCouples): v
         $this->loadFixtures($storage);
 
         self::assertExecutions($expectedCouples, $storage->query($queryBuilder->getQuery()));
-        self::assertSame(\count($expectedCouples), $storage->count($queryBuilder->getQuery()));
+        self::assertCount($storage->count($queryBuilder->getQuery()), $expectedCouples);
     }
 
     public static function queries(): Generator
diff --git a/src/batch-doctrine-dbal/tests/Dummy/SingleConnectionRegistry.php b/src/batch-doctrine-dbal/tests/Dummy/SingleConnectionRegistry.php
index b0fdcdba..758c7711 100644
--- a/src/batch-doctrine-dbal/tests/Dummy/SingleConnectionRegistry.php
+++ b/src/batch-doctrine-dbal/tests/Dummy/SingleConnectionRegistry.php
@@ -8,7 +8,7 @@
 use Doctrine\Persistence\ConnectionRegistry;
 use InvalidArgumentException;
 
-final class SingleConnectionRegistry implements ConnectionRegistry
+final readonly class SingleConnectionRegistry implements ConnectionRegistry
 {
     public function __construct(
         private Connection $connection,
diff --git a/src/batch-doctrine-orm/src/EntityReader.php b/src/batch-doctrine-orm/src/EntityReader.php
index e1767a45..90ebb1af 100644
--- a/src/batch-doctrine-orm/src/EntityReader.php
+++ b/src/batch-doctrine-orm/src/EntityReader.php
@@ -12,7 +12,7 @@
 /**
  * This {@see ItemReaderInterface} executes an SQL query to a Doctrine connection,
  */
-final class EntityReader implements ItemReaderInterface
+final readonly class EntityReader implements ItemReaderInterface
 {
     public function __construct(
         private ManagerRegistry $doctrine,
diff --git a/src/batch-doctrine-orm/tests/Dummy/SingleManagerRegistry.php b/src/batch-doctrine-orm/tests/Dummy/SingleManagerRegistry.php
index e13f4817..c820f946 100644
--- a/src/batch-doctrine-orm/tests/Dummy/SingleManagerRegistry.php
+++ b/src/batch-doctrine-orm/tests/Dummy/SingleManagerRegistry.php
@@ -11,7 +11,7 @@
 final class SingleManagerRegistry extends AbstractManagerRegistry
 {
     public function __construct(
-        private ObjectManager $manager,
+        private readonly ObjectManager $manager,
     ) {
         parent::__construct('ORM', ['default'], ['default'], 'default', 'default', Proxy::class);
     }
diff --git a/src/batch-doctrine-orm/tests/Entity/User.php b/src/batch-doctrine-orm/tests/Entity/User.php
index 05c3c208..0477610b 100644
--- a/src/batch-doctrine-orm/tests/Entity/User.php
+++ b/src/batch-doctrine-orm/tests/Entity/User.php
@@ -4,18 +4,19 @@
 
 namespace Yokai\Batch\Tests\Bridge\Doctrine\ORM\Entity;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 #[ORM\Table(name: 'user')]
 class User
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     public string $name;
 
     public function __construct(string $name)
diff --git a/src/batch-doctrine-persistence/src/ObjectRegistry.php b/src/batch-doctrine-persistence/src/ObjectRegistry.php
index 75ab7b61..3451df0d 100644
--- a/src/batch-doctrine-persistence/src/ObjectRegistry.php
+++ b/src/batch-doctrine-persistence/src/ObjectRegistry.php
@@ -21,7 +21,7 @@ final class ObjectRegistry
     private array $identities = [];
 
     public function __construct(
-        private ManagerRegistry $doctrine,
+        private readonly ManagerRegistry $doctrine,
     ) {
     }
 
diff --git a/src/batch-doctrine-persistence/src/ObjectWriter.php b/src/batch-doctrine-persistence/src/ObjectWriter.php
index 6ec3b158..6bb67e0b 100644
--- a/src/batch-doctrine-persistence/src/ObjectWriter.php
+++ b/src/batch-doctrine-persistence/src/ObjectWriter.php
@@ -26,7 +26,7 @@ final class ObjectWriter implements ItemWriterInterface
     private array $managerForClass = [];
 
     public function __construct(
-        private ManagerRegistry $doctrine,
+        private readonly ManagerRegistry $doctrine,
     ) {
     }
 
diff --git a/src/batch-doctrine-persistence/tests/Dummy/DecoratedRepositoryFactory.php b/src/batch-doctrine-persistence/tests/Dummy/DecoratedRepositoryFactory.php
index b3044a08..5fdb4aa5 100644
--- a/src/batch-doctrine-persistence/tests/Dummy/DecoratedRepositoryFactory.php
+++ b/src/batch-doctrine-persistence/tests/Dummy/DecoratedRepositoryFactory.php
@@ -19,8 +19,8 @@ public function __construct(
         /**
          * @var class-string<EntityRepository>
          */
-        private string $class,
-        private RepositoryFactory $decorated,
+        private readonly string $class,
+        private readonly RepositoryFactory $decorated,
     ) {
     }
 
diff --git a/src/batch-doctrine-persistence/tests/Dummy/FindOneByCalledOnlyOnceWhenFoundRepositoryDecorator.php b/src/batch-doctrine-persistence/tests/Dummy/FindOneByCalledOnlyOnceWhenFoundRepositoryDecorator.php
index 3979e395..d4196ae0 100644
--- a/src/batch-doctrine-persistence/tests/Dummy/FindOneByCalledOnlyOnceWhenFoundRepositoryDecorator.php
+++ b/src/batch-doctrine-persistence/tests/Dummy/FindOneByCalledOnlyOnceWhenFoundRepositoryDecorator.php
@@ -13,7 +13,7 @@ class FindOneByCalledOnlyOnceWhenFoundRepositoryDecorator extends EntityReposito
     private array $calls = [];
 
     public function __construct(
-        private ObjectRepository $decorated,
+        private readonly ObjectRepository $decorated,
     ) {
     }
 
diff --git a/src/batch-doctrine-persistence/tests/Dummy/SimpleManagerRegistry.php b/src/batch-doctrine-persistence/tests/Dummy/SimpleManagerRegistry.php
index 400382ad..9e567842 100644
--- a/src/batch-doctrine-persistence/tests/Dummy/SimpleManagerRegistry.php
+++ b/src/batch-doctrine-persistence/tests/Dummy/SimpleManagerRegistry.php
@@ -20,7 +20,7 @@ public function __construct(
         $managers = [];
         $defaultConnection = null;
         $defaultEntityManager = null;
-        foreach ($this->services as $id => $service) {
+        foreach (\array_keys($this->services) as $id) {
             $connections[] = $id;
             $managers[] = $id;
             $defaultConnection ??= $id;
diff --git a/src/batch-doctrine-persistence/tests/Entity/Auth/Group.php b/src/batch-doctrine-persistence/tests/Entity/Auth/Group.php
index c5893d7e..f8104457 100644
--- a/src/batch-doctrine-persistence/tests/Entity/Auth/Group.php
+++ b/src/batch-doctrine-persistence/tests/Entity/Auth/Group.php
@@ -4,18 +4,19 @@
 
 namespace Yokai\Batch\Tests\Bridge\Doctrine\Persistence\Entity\Auth;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 #[ORM\Table(name: 'auth_group')]
 class Group
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     public string $name;
 
     public function __construct(string $name)
diff --git a/src/batch-doctrine-persistence/tests/Entity/Auth/User.php b/src/batch-doctrine-persistence/tests/Entity/Auth/User.php
index 40baaa9f..c6cae763 100644
--- a/src/batch-doctrine-persistence/tests/Entity/Auth/User.php
+++ b/src/batch-doctrine-persistence/tests/Entity/Auth/User.php
@@ -4,18 +4,19 @@
 
 namespace Yokai\Batch\Tests\Bridge\Doctrine\Persistence\Entity\Auth;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 #[ORM\Table(name: 'auth_user')]
 class User
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     public string $name;
 
     public function __construct(string $name)
diff --git a/src/batch-doctrine-persistence/tests/Entity/Shop/Product.php b/src/batch-doctrine-persistence/tests/Entity/Shop/Product.php
index dc2a3dff..3978a691 100644
--- a/src/batch-doctrine-persistence/tests/Entity/Shop/Product.php
+++ b/src/batch-doctrine-persistence/tests/Entity/Shop/Product.php
@@ -4,18 +4,19 @@
 
 namespace Yokai\Batch\Tests\Bridge\Doctrine\Persistence\Entity\Shop;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 #[ORM\Table(name: 'shop_product')]
 class Product
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     public string $name;
 
     public function __construct(string $name)
diff --git a/src/batch-league-flysystem/composer.json b/src/batch-league-flysystem/composer.json
index 27d35f31..7d269ac8 100644
--- a/src/batch-league-flysystem/composer.json
+++ b/src/batch-league-flysystem/composer.json
@@ -22,7 +22,6 @@
     },
     "require-dev": {
         "league/flysystem-memory": "^3.0",
-        "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^9.5"
     },
     "autoload-dev": {
diff --git a/src/batch-league-flysystem/src/Job/CopyFilesJob.php b/src/batch-league-flysystem/src/Job/CopyFilesJob.php
index e691f8ce..1a5e19d2 100644
--- a/src/batch-league-flysystem/src/Job/CopyFilesJob.php
+++ b/src/batch-league-flysystem/src/Job/CopyFilesJob.php
@@ -21,10 +21,10 @@
 class CopyFilesJob implements JobInterface
 {
     public function __construct(
-        private JobParameterAccessorInterface $location,
-        private FilesystemReader $source,
-        private FilesystemWriter $destination,
-        private Closure|null $transformLocation = null,
+        private readonly JobParameterAccessorInterface $location,
+        private readonly FilesystemReader $source,
+        private readonly FilesystemWriter $destination,
+        private readonly Closure|null $transformLocation = null,
     ) {
     }
 
diff --git a/src/batch-league-flysystem/src/Job/MoveFilesJob.php b/src/batch-league-flysystem/src/Job/MoveFilesJob.php
index d8c4717e..9e297b04 100644
--- a/src/batch-league-flysystem/src/Job/MoveFilesJob.php
+++ b/src/batch-league-flysystem/src/Job/MoveFilesJob.php
@@ -22,10 +22,10 @@
 class MoveFilesJob implements JobInterface
 {
     public function __construct(
-        private JobParameterAccessorInterface $location,
-        private FilesystemOperator $source,
-        private FilesystemWriter $destination,
-        private Closure|null $transformLocation = null,
+        private readonly JobParameterAccessorInterface $location,
+        private readonly FilesystemOperator $source,
+        private readonly FilesystemWriter $destination,
+        private readonly Closure|null $transformLocation = null,
     ) {
     }
 
diff --git a/src/batch-league-flysystem/src/Scheduler/FileFoundScheduler.php b/src/batch-league-flysystem/src/Scheduler/FileFoundScheduler.php
index 74daa2c7..45e4466b 100644
--- a/src/batch-league-flysystem/src/Scheduler/FileFoundScheduler.php
+++ b/src/batch-league-flysystem/src/Scheduler/FileFoundScheduler.php
@@ -16,7 +16,7 @@
 /**
  * Watch for the existence of a location on a filesystem to trigger a job.
  */
-final class FileFoundScheduler implements SchedulerInterface
+final readonly class FileFoundScheduler implements SchedulerInterface
 {
     public function __construct(
         private FilesystemReader $filesystem,
diff --git a/src/batch-league-flysystem/tests/Dummy/CannotCheckMemoryAdapter.php b/src/batch-league-flysystem/tests/Dummy/CannotCheckMemoryAdapter.php
index 547a47c8..b48bb6fc 100644
--- a/src/batch-league-flysystem/tests/Dummy/CannotCheckMemoryAdapter.php
+++ b/src/batch-league-flysystem/tests/Dummy/CannotCheckMemoryAdapter.php
@@ -11,7 +11,7 @@
 final class CannotCheckMemoryAdapter extends InMemoryFilesystemAdapter
 {
     public function __construct(
-        private UnableToCheckExistence|FilesystemException $exception,
+        private readonly UnableToCheckExistence|FilesystemException $exception,
     ) {
         parent::__construct();
     }
diff --git a/src/batch-league-flysystem/tests/Dummy/CannotDeleteMemoryAdapter.php b/src/batch-league-flysystem/tests/Dummy/CannotDeleteMemoryAdapter.php
index 8a34527b..5d2f0754 100644
--- a/src/batch-league-flysystem/tests/Dummy/CannotDeleteMemoryAdapter.php
+++ b/src/batch-league-flysystem/tests/Dummy/CannotDeleteMemoryAdapter.php
@@ -11,7 +11,7 @@
 final class CannotDeleteMemoryAdapter extends InMemoryFilesystemAdapter
 {
     public function __construct(
-        private UnableToDeleteFile|FilesystemException $exception,
+        private readonly UnableToDeleteFile|FilesystemException $exception,
     ) {
         parent::__construct();
     }
diff --git a/src/batch-league-flysystem/tests/Dummy/CannotReadMemoryAdapter.php b/src/batch-league-flysystem/tests/Dummy/CannotReadMemoryAdapter.php
index 0d8490bc..d154d08d 100644
--- a/src/batch-league-flysystem/tests/Dummy/CannotReadMemoryAdapter.php
+++ b/src/batch-league-flysystem/tests/Dummy/CannotReadMemoryAdapter.php
@@ -11,7 +11,7 @@
 final class CannotReadMemoryAdapter extends InMemoryFilesystemAdapter
 {
     public function __construct(
-        private UnableToReadFile|FilesystemException $exception,
+        private readonly UnableToReadFile|FilesystemException $exception,
     ) {
         parent::__construct();
     }
diff --git a/src/batch-league-flysystem/tests/Dummy/CannotWriteMemoryAdapter.php b/src/batch-league-flysystem/tests/Dummy/CannotWriteMemoryAdapter.php
index 546ea13a..50d1c8c6 100644
--- a/src/batch-league-flysystem/tests/Dummy/CannotWriteMemoryAdapter.php
+++ b/src/batch-league-flysystem/tests/Dummy/CannotWriteMemoryAdapter.php
@@ -12,7 +12,7 @@
 final class CannotWriteMemoryAdapter extends InMemoryFilesystemAdapter
 {
     public function __construct(
-        private UnableToWriteFile|FilesystemException $exception,
+        private readonly UnableToWriteFile|FilesystemException $exception,
     ) {
         parent::__construct();
     }
diff --git a/src/batch-openspout/src/Exception/InvalidRowSizeException.php b/src/batch-openspout/src/Exception/InvalidRowSizeException.php
index ed952cdd..be06128c 100644
--- a/src/batch-openspout/src/Exception/InvalidRowSizeException.php
+++ b/src/batch-openspout/src/Exception/InvalidRowSizeException.php
@@ -12,11 +12,11 @@ public function __construct(
         /**
          * @var array<int, string>
          */
-        private array $headers,
+        private readonly array $headers,
         /**
          * @var array<int, string>
          */
-        private array $row,
+        private readonly array $row,
     ) {
         parent::__construct('Invalid row size');
     }
diff --git a/src/batch-openspout/src/Reader/FlatFileReader.php b/src/batch-openspout/src/Reader/FlatFileReader.php
index 3c9ed671..4a2383e8 100644
--- a/src/batch-openspout/src/Reader/FlatFileReader.php
+++ b/src/batch-openspout/src/Reader/FlatFileReader.php
@@ -59,10 +59,8 @@ public function read(): iterable
         $reader->open($path);
 
         foreach ($this->rows($reader) as $rowIndex => $row) {
-            if ($rowIndex === 1) {
-                if (!$this->headerStrategy->setHeaders($row)) {
-                    continue;
-                }
+            if ($rowIndex === 1 && !$this->headerStrategy->setHeaders($row)) {
+                continue;
             }
 
             try {
diff --git a/src/batch-openspout/src/Reader/HeaderStrategy.php b/src/batch-openspout/src/Reader/HeaderStrategy.php
index 89224046..73c05952 100644
--- a/src/batch-openspout/src/Reader/HeaderStrategy.php
+++ b/src/batch-openspout/src/Reader/HeaderStrategy.php
@@ -19,7 +19,7 @@ final class HeaderStrategy
     private const NONE = 'none';
 
     private function __construct(
-        private string $mode,
+        private readonly string $mode,
         /**
          * @var list<string>|null
          */
diff --git a/src/batch-openspout/src/Reader/SheetFilter.php b/src/batch-openspout/src/Reader/SheetFilter.php
index 331cb206..ebbc252a 100644
--- a/src/batch-openspout/src/Reader/SheetFilter.php
+++ b/src/batch-openspout/src/Reader/SheetFilter.php
@@ -13,17 +13,16 @@
  * A sheet filter is used by {@see XLSXOptions} & {@see ODSOptions}
  * so you can tell which sheet is to be read.
  */
-final class SheetFilter
+final readonly class SheetFilter
 {
-    private Closure $accept;
-
-    /**
-     * @param Closure $accept A closure with {@see SheetInterface} as single argument,
-     *                        and returning a boolean, telling if the sheet should be read.
-     */
-    public function __construct(Closure $accept)
-    {
-        $this->accept = $accept;
+    public function __construct(
+        /**
+         * A closure with {@see SheetInterface} as single argument,
+         * and returning a boolean, telling if the sheet should be read.
+         * @var Closure
+         */
+        private Closure $accept,
+    ) {
     }
 
     /**
diff --git a/src/batch-openspout/src/Writer/WriteToSheetItem.php b/src/batch-openspout/src/Writer/WriteToSheetItem.php
index 8fbc8a2b..4b9fe074 100644
--- a/src/batch-openspout/src/Writer/WriteToSheetItem.php
+++ b/src/batch-openspout/src/Writer/WriteToSheetItem.php
@@ -11,7 +11,7 @@
  * This model object is used by {@see FlatFileWriter}.
  * It holds sheet and row to write to file.
  */
-final class WriteToSheetItem
+final readonly class WriteToSheetItem
 {
     private function __construct(
         private string $sheet,
diff --git a/src/batch-symfony-console/composer.json b/src/batch-symfony-console/composer.json
index a56c0059..2137dbc6 100644
--- a/src/batch-symfony-console/composer.json
+++ b/src/batch-symfony-console/composer.json
@@ -22,7 +22,6 @@
         }
     },
     "require-dev": {
-        "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^9.5",
         "symfony/process": "^7.4|^8.0"
     },
diff --git a/src/batch-symfony-console/src/CommandRunner.php b/src/batch-symfony-console/src/CommandRunner.php
index ae4a032f..907d2101 100644
--- a/src/batch-symfony-console/src/CommandRunner.php
+++ b/src/batch-symfony-console/src/CommandRunner.php
@@ -12,12 +12,12 @@
  */
 class CommandRunner
 {
-    private string $consolePath;
-    private null|PhpExecutableFinder $phpLocator;
+    private readonly string $consolePath;
+    private readonly null|PhpExecutableFinder $phpLocator;
 
     public function __construct(
         string $binDir,
-        private string $logDir,
+        private readonly string $logDir,
         PhpExecutableFinder|null $phpLocator = null,
     ) {
         $this->consolePath = \implode(DIRECTORY_SEPARATOR, [$binDir, 'console']);
@@ -58,7 +58,7 @@ private function buildCommand(string $commandName, array $arguments): string
     {
         return \sprintf(
             '%s %s %s %s',
-            $this->phpLocator ? $this->phpLocator->find() : 'php',
+            $this->phpLocator?->find() ?? 'php',
             $this->consolePath,
             $commandName,
             (string)(new ArrayInput($arguments)),
diff --git a/src/batch-symfony-console/src/RunCommandJobLauncher.php b/src/batch-symfony-console/src/RunCommandJobLauncher.php
index 180f349b..c07b0213 100644
--- a/src/batch-symfony-console/src/RunCommandJobLauncher.php
+++ b/src/batch-symfony-console/src/RunCommandJobLauncher.php
@@ -18,7 +18,7 @@
  *
  *      php bin/console yokai:batch:run import '{"foo":"bar"}' >> var/log/batch_execute.log 2>&1 &
  */
-final class RunCommandJobLauncher implements JobLauncherInterface
+final readonly class RunCommandJobLauncher implements JobLauncherInterface
 {
     public function __construct(
         private JobExecutionFactory $jobExecutionFactory,
diff --git a/src/batch-symfony-console/src/RunJobCommand.php b/src/batch-symfony-console/src/RunJobCommand.php
index 9fd5f17f..3cb884ab 100644
--- a/src/batch-symfony-console/src/RunJobCommand.php
+++ b/src/batch-symfony-console/src/RunJobCommand.php
@@ -28,8 +28,8 @@ final class RunJobCommand extends Command
     public const EXIT_WARNING_CODE = 2;
 
     public function __construct(
-        private JobExecutionAccessor $jobExecutionAccessor,
-        private JobExecutor $jobExecutor,
+        private readonly JobExecutionAccessor $jobExecutionAccessor,
+        private readonly JobExecutor $jobExecutor,
     ) {
         parent::__construct();
     }
@@ -62,7 +62,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     private function guessExecutionExitCode(JobExecution $jobExecution): int
     {
         if ($jobExecution->getStatus()->is(BatchStatus::COMPLETED)) {
-            if (\count($jobExecution->getAllWarnings()) === 0) {
+            if ($jobExecution->getAllWarnings() === []) {
                 return self::EXIT_SUCCESS_CODE;
             }
 
@@ -77,7 +77,7 @@ private function outputExecution(JobExecution $jobExecution, OutputInterface $ou
         $jobName = $jobExecution->getJobName();
         if ($jobExecution->getStatus()->is(BatchStatus::COMPLETED)) {
             $warnings = $jobExecution->getAllWarnings();
-            if (\count($warnings)) {
+            if ($warnings !== []) {
                 foreach ($warnings as $warning) {
                     $output->writeln(\sprintf('<comment>%s</comment>', $warning), $output::VERBOSITY_VERBOSE);
                 }
diff --git a/src/batch-symfony-console/src/SetupStorageCommand.php b/src/batch-symfony-console/src/SetupStorageCommand.php
index 115fead0..7a1d14e3 100644
--- a/src/batch-symfony-console/src/SetupStorageCommand.php
+++ b/src/batch-symfony-console/src/SetupStorageCommand.php
@@ -19,7 +19,7 @@
 final class SetupStorageCommand extends Command
 {
     public function __construct(
-        private JobExecutionStorageInterface $storage,
+        private readonly JobExecutionStorageInterface $storage,
     ) {
         parent::__construct();
     }
diff --git a/src/batch-symfony-console/tests/CommandRunnerTest.php b/src/batch-symfony-console/tests/CommandRunnerTest.php
index ffbc86f3..5b01e9dd 100644
--- a/src/batch-symfony-console/tests/CommandRunnerTest.php
+++ b/src/batch-symfony-console/tests/CommandRunnerTest.php
@@ -5,28 +5,22 @@
 namespace Yokai\Batch\Tests\Bridge\Symfony\Console;
 
 use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\MockObject\Stub;
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
 use Symfony\Component\Process\PhpExecutableFinder;
 use Yokai\Batch\Bridge\Symfony\Console\CommandRunner;
 
 class CommandRunnerTest extends TestCase
 {
-    use ProphecyTrait;
-
-    /**
-     * @return MockObject|CommandRunner
-     */
-    private function createRunner(): MockObject
+    private function createRunner(): MockObject&CommandRunner
     {
-        /** @var PhpExecutableFinder|ObjectProphecy $phpLocator */
-        $phpLocator = $this->prophesize(PhpExecutableFinder::class);
-        $phpLocator->find()->willReturn('/usr/bin/php');
+        /** @var Stub&PhpExecutableFinder $phpLocator */
+        $phpLocator = $this->createStub(PhpExecutableFinder::class);
+        $phpLocator->method('find')->willReturn('/usr/bin/php');
 
         return $this->getMockBuilder(CommandRunner::class)
             ->onlyMethods(['exec'])
-            ->setConstructorArgs(['/path/to/bin', '/path/to/logs', $phpLocator->reveal()])
+            ->setConstructorArgs(['/path/to/bin', '/path/to/logs', $phpLocator])
             ->getMock();
     }
 
diff --git a/src/batch-symfony-console/tests/RunCommandJobLauncherTest.php b/src/batch-symfony-console/tests/RunCommandJobLauncherTest.php
index b1f47608..1655bc3f 100644
--- a/src/batch-symfony-console/tests/RunCommandJobLauncherTest.php
+++ b/src/batch-symfony-console/tests/RunCommandJobLauncherTest.php
@@ -5,8 +5,7 @@
 namespace Yokai\Batch\Tests\Bridge\Symfony\Console;
 
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
+use PHPUnit\Framework\MockObject\MockObject;
 use Yokai\Batch\BatchStatus;
 use Yokai\Batch\Bridge\Symfony\Console\CommandRunner;
 use Yokai\Batch\Bridge\Symfony\Console\RunCommandJobLauncher;
@@ -17,21 +16,20 @@
 
 class RunCommandJobLauncherTest extends TestCase
 {
-    use ProphecyTrait;
-
     public function testLaunch(): void
     {
         $config = ['_id' => '123456789', 'foo' => ['bar']];
         $arguments = ['job' => 'testing', 'configuration' => '{"_id":"123456789","foo":["bar"]}'];
 
-        /** @var CommandRunner|ObjectProphecy $commandRunner */
-        $commandRunner = $this->prophesize(CommandRunner::class);
-        $commandRunner->runAsync('yokai:batch:run', 'test.log', $arguments)
-            ->shouldBeCalledTimes(1);
+        /** @var MockObject&CommandRunner $commandRunner */
+        $commandRunner = $this->createMock(CommandRunner::class);
+        $commandRunner->expects($this->once())
+            ->method('runAsync')
+            ->with('yokai:batch:run', 'test.log', $arguments);
 
         $launcher = new RunCommandJobLauncher(
             new JobExecutionFactory(new UniqidJobExecutionIdGenerator(), new NullJobExecutionParametersBuilder()),
-            $commandRunner->reveal(),
+            $commandRunner,
             $storage = new InMemoryJobExecutionStorage(),
             'test.log',
         );
diff --git a/src/batch-symfony-console/tests/RunJobCommandTest.php b/src/batch-symfony-console/tests/RunJobCommandTest.php
index e20b2687..9efff1bd 100644
--- a/src/batch-symfony-console/tests/RunJobCommandTest.php
+++ b/src/batch-symfony-console/tests/RunJobCommandTest.php
@@ -7,9 +7,7 @@
 use JsonException;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
+use PHPUnit\Framework\MockObject\MockObject;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Tester\CommandTester;
 use Yokai\Batch\Bridge\Symfony\Console\RunJobCommand;
@@ -27,24 +25,22 @@
 
 class RunJobCommandTest extends TestCase
 {
-    use ProphecyTrait;
-
     private const JOBNAME = 'testing';
 
-    private JobInterface|ObjectProphecy $job;
+    private MockObject&JobInterface $job;
     private JobExecutionAccessor $accessor;
     private JobExecutor $executor;
 
     protected function setUp(): void
     {
-        $this->job = $this->prophesize(JobInterface::class);
+        $this->job = $this->createMock(JobInterface::class);
 
         $this->accessor = new JobExecutionAccessor(
             new JobExecutionFactory(new UniqidJobExecutionIdGenerator(), new NullJobExecutionParametersBuilder()),
             new InMemoryJobExecutionStorage(),
         );
         $this->executor = new JobExecutor(
-            JobRegistry::fromJobArray([self::JOBNAME => $this->job->reveal()]),
+            JobRegistry::fromJobArray([self::JOBNAME => $this->job]),
             new InMemoryJobExecutionStorage(),
             null,
         );
@@ -54,7 +50,8 @@ public function testRunWithMalformedConfiguration(): void
     {
         $this->expectException(JsonException::class);
 
-        $this->job->execute(Argument::any())->shouldNotBeCalled();
+        $this->job->expects($this->never())
+            ->method('execute');
         $this->execute('{]');
     }
 
@@ -62,17 +59,17 @@ public function testRunWithInvalidConfiguration(): void
     {
         $this->expectException(UnexpectedValueException::class);
 
-        $this->job->execute(Argument::any())->shouldNotBeCalled();
+        $this->job->expects($this->never())
+            ->method('execute');
         $this->execute('"string"');
     }
 
     #[DataProvider('verbosity')]
     public function testRunWithErrors(int $verbosity): void
     {
-        $this->job->execute(Argument::any())
-            ->will(function (array $args) {
-                /** @var JobExecution $jobExecution */
-                $jobExecution = $args[0];
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->willReturnCallback(function (JobExecution $jobExecution): never {
                 $jobExecution->addFailureException(new \RuntimeException('1st exception', 100));
                 $jobExecution->addFailureException(new \LogicException('2nd exception', 200));
 
@@ -99,10 +96,9 @@ public function testRunWithErrors(int $verbosity): void
     #[DataProvider('verbosity')]
     public function testRunWithWarnings(int $verbosity): void
     {
-        $this->job->execute(Argument::any())
-            ->will(function (array $args) {
-                /** @var JobExecution $jobExecution */
-                $jobExecution = $args[0];
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->willReturnCallback(function (JobExecution $jobExecution) {
                 $jobExecution->addWarning(new Warning('1st warning'));
                 $jobExecution->addWarning(new Warning('2nd warning'));
             });
@@ -128,9 +124,9 @@ public function testRunWithWarnings(int $verbosity): void
     #[DataProvider('verbosity')]
     public function testRunSuccessful(int $verbosity): void
     {
-        $this->job->execute(Argument::any())
-            ->will(function (array $args) {
-            });
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->willReturnCallback(function () {});
 
         [$code, $display] = $this->execute(null, $verbosity);
 
diff --git a/src/batch-symfony-framework/src/ContainerParameterAccessor.php b/src/batch-symfony-framework/src/ContainerParameterAccessor.php
index a9077146..89e57909 100644
--- a/src/batch-symfony-framework/src/ContainerParameterAccessor.php
+++ b/src/batch-symfony-framework/src/ContainerParameterAccessor.php
@@ -13,7 +13,7 @@
 /**
  * This job parameter accessor implementation returns container parameter value.
  */
-final class ContainerParameterAccessor implements JobParameterAccessorInterface
+final readonly class ContainerParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private ContainerInterface $container,
diff --git a/src/batch-symfony-framework/src/DependencyInjection/Configuration.php b/src/batch-symfony-framework/src/DependencyInjection/Configuration.php
index 771bd4b8..07964abe 100644
--- a/src/batch-symfony-framework/src/DependencyInjection/Configuration.php
+++ b/src/batch-symfony-framework/src/DependencyInjection/Configuration.php
@@ -171,7 +171,7 @@ private function parameters(): ArrayNodeDefinition
                 return false;
             }
 
-            foreach ($value as $key => $unused) {
+            foreach (\array_keys($value) as $key) {
                 if (!\is_string($key)) {
                     return false;
                 }
@@ -247,7 +247,9 @@ private function ui(): ArrayNodeDefinition
                                 throw new \InvalidArgumentException(
                                     'You must either configure "service" or "prefix".',
                                 );
-                            } elseif (isset($value['service']) && isset($value['prefix'])) {
+                            }
+
+                            if (isset($value['service']) && isset($value['prefix'])) {
                                 throw new \InvalidArgumentException(
                                     'You cannot configure "service" and "prefix" at the same time.',
                                 );
diff --git a/src/batch-symfony-framework/src/UserInterface/Controller/JobController.php b/src/batch-symfony-framework/src/UserInterface/Controller/JobController.php
index acbf6c81..6de762d8 100644
--- a/src/batch-symfony-framework/src/UserInterface/Controller/JobController.php
+++ b/src/batch-symfony-framework/src/UserInterface/Controller/JobController.php
@@ -25,7 +25,7 @@
 /**
  * Controller handling HTTP layer of user interface.
  */
-final class JobController
+final readonly class JobController
 {
     private const LIMIT = 20;
 
diff --git a/src/batch-symfony-framework/src/UserInterface/Form/JobFilter.php b/src/batch-symfony-framework/src/UserInterface/Form/JobFilter.php
index 70f5f03f..ca1610ab 100644
--- a/src/batch-symfony-framework/src/UserInterface/Form/JobFilter.php
+++ b/src/batch-symfony-framework/src/UserInterface/Form/JobFilter.php
@@ -12,23 +12,15 @@
  */
 final class JobFilter
 {
-    /**
-     * @var array<string>
-     */
-    public array $jobs = [];
-
-    /**
-     * @var array<int>
-     */
-    public array $statuses = [];
-
-    /**
-     * @param array<string> $jobs
-     * @param array<int>    $statuses
-     */
-    public function __construct(array $jobs = [], array $statuses = [])
-    {
-        $this->jobs = $jobs;
-        $this->statuses = $statuses;
+    public function __construct(
+        /**
+         * @var array<string>
+         */
+        public array $jobs = [],
+        /**
+         * @var array<int>
+         */
+        public array $statuses = [],
+    ) {
     }
 }
diff --git a/src/batch-symfony-framework/src/UserInterface/Form/JobFilterType.php b/src/batch-symfony-framework/src/UserInterface/Form/JobFilterType.php
index 2b8daccb..d3f9ea62 100644
--- a/src/batch-symfony-framework/src/UserInterface/Form/JobFilterType.php
+++ b/src/batch-symfony-framework/src/UserInterface/Form/JobFilterType.php
@@ -28,7 +28,7 @@ public function __construct(
         /**
          * @var array<string>
          */
-        private array $jobs,
+        private readonly array $jobs,
     ) {
     }
 
diff --git a/src/batch-symfony-framework/src/UserInterface/JobSecurity.php b/src/batch-symfony-framework/src/UserInterface/JobSecurity.php
index 14fc6b45..e323b7fd 100644
--- a/src/batch-symfony-framework/src/UserInterface/JobSecurity.php
+++ b/src/batch-symfony-framework/src/UserInterface/JobSecurity.php
@@ -12,7 +12,7 @@
  * User interface security facade.
  * The security may not be installed, or configured, but this class will still be called.
  */
-final class JobSecurity
+final readonly class JobSecurity
 {
     public function __construct(
         private null|AuthorizationCheckerInterface $authorizationChecker,
diff --git a/src/batch-symfony-framework/src/UserInterface/Templating/ConfigurableTemplating.php b/src/batch-symfony-framework/src/UserInterface/Templating/ConfigurableTemplating.php
index aa165420..fd941a5c 100644
--- a/src/batch-symfony-framework/src/UserInterface/Templating/ConfigurableTemplating.php
+++ b/src/batch-symfony-framework/src/UserInterface/Templating/ConfigurableTemplating.php
@@ -7,7 +7,7 @@
 /**
  * Apply a prefix to every template names.
  */
-final class ConfigurableTemplating implements TemplatingInterface
+final readonly class ConfigurableTemplating implements TemplatingInterface
 {
     /**
      * @param array<string, mixed> $context
diff --git a/src/batch-symfony-framework/src/UserInterface/Templating/SonataAdminTemplating.php b/src/batch-symfony-framework/src/UserInterface/Templating/SonataAdminTemplating.php
index 8ccb78e5..14b668cd 100644
--- a/src/batch-symfony-framework/src/UserInterface/Templating/SonataAdminTemplating.php
+++ b/src/batch-symfony-framework/src/UserInterface/Templating/SonataAdminTemplating.php
@@ -9,7 +9,7 @@
 /**
  * Add all variables required by a SonataAdminBundle template to the context.
  */
-final class SonataAdminTemplating implements TemplatingInterface
+final readonly class SonataAdminTemplating implements TemplatingInterface
 {
     public function __construct(
         private TemplateRegistryInterface $templates,
diff --git a/src/batch-symfony-framework/src/UserInterface/TwigExtension.php b/src/batch-symfony-framework/src/UserInterface/TwigExtension.php
index 6702cf1d..3422448b 100644
--- a/src/batch-symfony-framework/src/UserInterface/TwigExtension.php
+++ b/src/batch-symfony-framework/src/UserInterface/TwigExtension.php
@@ -15,7 +15,7 @@
 final class TwigExtension extends AbstractExtension
 {
     public function __construct(
-        private JobSecurity $security,
+        private readonly JobSecurity $security,
     ) {
     }
 
diff --git a/src/batch-symfony-framework/tests/DependencyInjection/YokaiBatchExtensionTest.php b/src/batch-symfony-framework/tests/DependencyInjection/YokaiBatchExtensionTest.php
index 83ac3ec0..1c0d06c0 100644
--- a/src/batch-symfony-framework/tests/DependencyInjection/YokaiBatchExtensionTest.php
+++ b/src/batch-symfony-framework/tests/DependencyInjection/YokaiBatchExtensionTest.php
@@ -89,7 +89,7 @@ public function testLauncher(
             self::assertSame($class, $container->getDefinition($id)->getClass());
         }
 
-        if ($assert) {
+        if ($assert !== null) {
             $assert($container);
         }
     }
@@ -310,7 +310,7 @@ function (Definition $templating) {
                 ConfigurableTemplating::class,
             ),
             function (Definition $templating, string $id) {
-                self::assertSame($id, 'app.yokai_batch_templating');
+                self::assertSame('app.yokai_batch_templating', $id);
             },
             [
                 'list' => 'IS_AUTHENTICATED',
@@ -374,7 +374,7 @@ public function testParameters(array $config, array|null $global, array|null $pe
         self::assertNotNull($defaultService);
         self::assertSame(ChainJobExecutionParametersBuilder::class, $defaultService->getClass());
         $defaultServiceBuilders = $defaultService->getArgument(0);
-        self::assertTrue($defaultServiceBuilders instanceof TaggedIteratorArgument);
+        self::assertInstanceOf(TaggedIteratorArgument::class, $defaultServiceBuilders);
         /** @var TaggedIteratorArgument $defaultServiceBuilders */
         self::assertSame('yokai_batch.job_execution_parameters_builder', $defaultServiceBuilders->getTag());
     }
diff --git a/src/batch-symfony-framework/tests/UserInterface/Controller/JobControllerTest.php b/src/batch-symfony-framework/tests/UserInterface/Controller/JobControllerTest.php
index 72185c73..96e19839 100644
--- a/src/batch-symfony-framework/tests/UserInterface/Controller/JobControllerTest.php
+++ b/src/batch-symfony-framework/tests/UserInterface/Controller/JobControllerTest.php
@@ -410,7 +410,7 @@ private static function securities(): \Generator
             yield [
                 new JobSecurity(
                     new class($granted) implements AuthorizationCheckerInterface {
-                        public function __construct(private bool $granted)
+                        public function __construct(private readonly bool $granted)
                         {
                         }
 
diff --git a/src/batch-symfony-framework/tests/UserInterface/JobSecurityTest.php b/src/batch-symfony-framework/tests/UserInterface/JobSecurityTest.php
index bac22bb4..73e28b54 100644
--- a/src/batch-symfony-framework/tests/UserInterface/JobSecurityTest.php
+++ b/src/batch-symfony-framework/tests/UserInterface/JobSecurityTest.php
@@ -35,7 +35,7 @@ public function testWithNoSecurity(): void
     public function testWithSecurity(array $attributes, array $expected): void
     {
         $authorizationChecker = new class($attributes) implements AuthorizationCheckerInterface {
-            public function __construct(private array $attributes)
+            public function __construct(private readonly array $attributes)
             {
             }
 
diff --git a/src/batch-symfony-framework/tests/UserInterface/TwigExtensionTest.php b/src/batch-symfony-framework/tests/UserInterface/TwigExtensionTest.php
index 0fff73f7..5fe72888 100644
--- a/src/batch-symfony-framework/tests/UserInterface/TwigExtensionTest.php
+++ b/src/batch-symfony-framework/tests/UserInterface/TwigExtensionTest.php
@@ -40,7 +40,7 @@ public static function security(): \Generator
             yield [
                 new JobSecurity(
                     new class($granted) implements AuthorizationCheckerInterface {
-                        public function __construct(private bool $granted)
+                        public function __construct(private readonly bool $granted)
                         {
                         }
 
diff --git a/src/batch-symfony-messenger/src/DispatchMessageJobLauncher.php b/src/batch-symfony-messenger/src/DispatchMessageJobLauncher.php
index 9088b31a..997e0ecc 100644
--- a/src/batch-symfony-messenger/src/DispatchMessageJobLauncher.php
+++ b/src/batch-symfony-messenger/src/DispatchMessageJobLauncher.php
@@ -17,7 +17,7 @@
 /**
  * This {@see JobLauncherInterface} will execute job via a symfony message dispatch.
  */
-final class DispatchMessageJobLauncher implements JobLauncherInterface
+final readonly class DispatchMessageJobLauncher implements JobLauncherInterface
 {
     public function __construct(
         private JobExecutionFactory $jobExecutionFactory,
diff --git a/src/batch-symfony-messenger/src/LaunchJobMessage.php b/src/batch-symfony-messenger/src/LaunchJobMessage.php
index 6efe22a9..44e20abd 100644
--- a/src/batch-symfony-messenger/src/LaunchJobMessage.php
+++ b/src/batch-symfony-messenger/src/LaunchJobMessage.php
@@ -7,7 +7,7 @@
 /**
  * A message, dispatched in symfony/messenger's bus, that is requiring to launch a job.
  */
-final class LaunchJobMessage
+final readonly class LaunchJobMessage
 {
     public function __construct(
         private string $jobName,
diff --git a/src/batch-symfony-messenger/src/LaunchJobMessageHandler.php b/src/batch-symfony-messenger/src/LaunchJobMessageHandler.php
index 187e1e5a..897a113f 100644
--- a/src/batch-symfony-messenger/src/LaunchJobMessageHandler.php
+++ b/src/batch-symfony-messenger/src/LaunchJobMessageHandler.php
@@ -10,7 +10,7 @@
 /**
  * Answer to {@see LaunchJobMessage} and launch requested job.
  */
-final class LaunchJobMessageHandler
+final readonly class LaunchJobMessageHandler
 {
     public function __construct(
         private JobExecutionAccessor $jobExecutionAccessor,
diff --git a/src/batch-symfony-messenger/tests/Dummy/FailingMessageBus.php b/src/batch-symfony-messenger/tests/Dummy/FailingMessageBus.php
index 3b45d15a..d7f735aa 100644
--- a/src/batch-symfony-messenger/tests/Dummy/FailingMessageBus.php
+++ b/src/batch-symfony-messenger/tests/Dummy/FailingMessageBus.php
@@ -8,7 +8,7 @@
 use Symfony\Component\Messenger\Exception\ExceptionInterface;
 use Symfony\Component\Messenger\MessageBusInterface;
 
-final class FailingMessageBus implements MessageBusInterface
+final readonly class FailingMessageBus implements MessageBusInterface
 {
     public function __construct(
         private ExceptionInterface $exception,
diff --git a/src/batch-symfony-messenger/tests/LaunchJobMessageHandlerTest.php b/src/batch-symfony-messenger/tests/LaunchJobMessageHandlerTest.php
index bc401f97..0bcb9a16 100644
--- a/src/batch-symfony-messenger/tests/LaunchJobMessageHandlerTest.php
+++ b/src/batch-symfony-messenger/tests/LaunchJobMessageHandlerTest.php
@@ -5,7 +5,6 @@
 namespace Yokai\Batch\Tests\Bridge\Symfony\Messenger;
 
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
 use Yokai\Batch\Bridge\Symfony\Messenger\LaunchJobMessage;
 use Yokai\Batch\Bridge\Symfony\Messenger\LaunchJobMessageHandler;
 use Yokai\Batch\Factory\JobExecutionFactory;
@@ -20,8 +19,6 @@
 
 final class LaunchJobMessageHandlerTest extends TestCase
 {
-    use ProphecyTrait;
-
     public function testInvoke(): void
     {
         $job = new class implements JobInterface {
diff --git a/src/batch-symfony-serializer/src/DenormalizeItemProcessor.php b/src/batch-symfony-serializer/src/DenormalizeItemProcessor.php
index 88bf14ef..86fa1923 100644
--- a/src/batch-symfony-serializer/src/DenormalizeItemProcessor.php
+++ b/src/batch-symfony-serializer/src/DenormalizeItemProcessor.php
@@ -13,7 +13,7 @@
 /**
  * This {@see ItemProcessorInterface} uses Symfony's serializer to denormalize items.
  */
-final class DenormalizeItemProcessor implements ItemProcessorInterface
+final readonly class DenormalizeItemProcessor implements ItemProcessorInterface
 {
     public function __construct(
         private DenormalizerInterface $denormalizer,
diff --git a/src/batch-symfony-serializer/src/NormalizeItemProcessor.php b/src/batch-symfony-serializer/src/NormalizeItemProcessor.php
index 41f76851..0e354411 100644
--- a/src/batch-symfony-serializer/src/NormalizeItemProcessor.php
+++ b/src/batch-symfony-serializer/src/NormalizeItemProcessor.php
@@ -13,7 +13,7 @@
 /**
  * This {@see ItemProcessorInterface} uses Symfony's serializer to normalize items.
  */
-final class NormalizeItemProcessor implements ItemProcessorInterface
+final readonly class NormalizeItemProcessor implements ItemProcessorInterface
 {
     public function __construct(
         private NormalizerInterface $normalizer,
diff --git a/src/batch-symfony-serializer/tests/Dummy/DummyNormalizer.php b/src/batch-symfony-serializer/tests/Dummy/DummyNormalizer.php
index 7720af9c..bb1b7cb6 100644
--- a/src/batch-symfony-serializer/tests/Dummy/DummyNormalizer.php
+++ b/src/batch-symfony-serializer/tests/Dummy/DummyNormalizer.php
@@ -7,7 +7,7 @@
 use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 
-final class DummyNormalizer implements NormalizerInterface, DenormalizerInterface
+final readonly class DummyNormalizer implements NormalizerInterface, DenormalizerInterface
 {
     public function __construct(
         private bool $supports,
diff --git a/src/batch-symfony-serializer/tests/Dummy/FailingNormalizer.php b/src/batch-symfony-serializer/tests/Dummy/FailingNormalizer.php
index c245921f..a1b93e44 100644
--- a/src/batch-symfony-serializer/tests/Dummy/FailingNormalizer.php
+++ b/src/batch-symfony-serializer/tests/Dummy/FailingNormalizer.php
@@ -8,7 +8,7 @@
 use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
 use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
 
-final class FailingNormalizer implements NormalizerInterface, DenormalizerInterface
+final readonly class FailingNormalizer implements NormalizerInterface, DenormalizerInterface
 {
     public function __construct(
         private ExceptionInterface $exception,
diff --git a/src/batch-symfony-uid/src/Factory/RandomBasedUuidJobExecutionIdGenerator.php b/src/batch-symfony-uid/src/Factory/RandomBasedUuidJobExecutionIdGenerator.php
index 5e0d2e8e..af9af2bf 100644
--- a/src/batch-symfony-uid/src/Factory/RandomBasedUuidJobExecutionIdGenerator.php
+++ b/src/batch-symfony-uid/src/Factory/RandomBasedUuidJobExecutionIdGenerator.php
@@ -11,7 +11,7 @@
  * This {@see JobExecutionIdGeneratorInterface} will use
  * Symfony's {@see UuidFactory} to generate random based UUIDs.
  */
-final class RandomBasedUuidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
+final readonly class RandomBasedUuidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
 {
     public function __construct(
         private UuidFactory $uuidFactory,
diff --git a/src/batch-symfony-uid/src/Factory/TimeBasedUuidJobExecutionIdGenerator.php b/src/batch-symfony-uid/src/Factory/TimeBasedUuidJobExecutionIdGenerator.php
index 4c0e8c5b..2c0e6613 100644
--- a/src/batch-symfony-uid/src/Factory/TimeBasedUuidJobExecutionIdGenerator.php
+++ b/src/batch-symfony-uid/src/Factory/TimeBasedUuidJobExecutionIdGenerator.php
@@ -11,7 +11,7 @@
  * This {@see JobExecutionIdGeneratorInterface} will use
  * Symfony's {@see UuidFactory} to generate time based UUIDs.
  */
-final class TimeBasedUuidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
+final readonly class TimeBasedUuidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
 {
     public function __construct(
         private UuidFactory $uuidFactory,
diff --git a/src/batch-symfony-uid/src/Factory/UlidJobExecutionIdGenerator.php b/src/batch-symfony-uid/src/Factory/UlidJobExecutionIdGenerator.php
index e014115b..479c80c0 100644
--- a/src/batch-symfony-uid/src/Factory/UlidJobExecutionIdGenerator.php
+++ b/src/batch-symfony-uid/src/Factory/UlidJobExecutionIdGenerator.php
@@ -11,7 +11,7 @@
  * This {@see JobExecutionIdGeneratorInterface} will use
  * Symfony's {@see UlidFactory} to ULIDs.
  */
-final class UlidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
+final readonly class UlidJobExecutionIdGenerator implements JobExecutionIdGeneratorInterface
 {
     public function __construct(
         private UlidFactory $ulidFactory,
diff --git a/src/batch-symfony-validator/src/SkipInvalidItemProcessor.php b/src/batch-symfony-validator/src/SkipInvalidItemProcessor.php
index 0dbccc00..00471ce5 100644
--- a/src/batch-symfony-validator/src/SkipInvalidItemProcessor.php
+++ b/src/batch-symfony-validator/src/SkipInvalidItemProcessor.php
@@ -14,7 +14,7 @@
  * This {@see ItemProcessorInterface} uses Symfony's validator to validate items.
  * When an item is not valid, it throw a {@see SkipItemException} with a {@see SkipItemOnViolations} cause.
  */
-final class SkipInvalidItemProcessor implements ItemProcessorInterface
+final readonly class SkipInvalidItemProcessor implements ItemProcessorInterface
 {
     public function __construct(
         private ValidatorInterface $validator,
diff --git a/src/batch-symfony-validator/src/SkipItemOnViolations.php b/src/batch-symfony-validator/src/SkipItemOnViolations.php
index 99e7f0a6..c82d3229 100644
--- a/src/batch-symfony-validator/src/SkipItemOnViolations.php
+++ b/src/batch-symfony-validator/src/SkipItemOnViolations.php
@@ -14,7 +14,7 @@
 /**
  * Skip item when validation fails and leave a warning with violations to the {@see JobExecution}.
  */
-final class SkipItemOnViolations implements SkipItemCauseInterface
+final readonly class SkipItemOnViolations implements SkipItemCauseInterface
 {
     public function __construct(
         /**
diff --git a/src/batch-symfony-validator/tests/Fixtures/StringableClass.php b/src/batch-symfony-validator/tests/Fixtures/StringableClass.php
index 8843ce7c..8b71c352 100644
--- a/src/batch-symfony-validator/tests/Fixtures/StringableClass.php
+++ b/src/batch-symfony-validator/tests/Fixtures/StringableClass.php
@@ -4,7 +4,7 @@
 
 namespace Yokai\Batch\Tests\Bridge\Symfony\Validator\Fixtures;
 
-final class StringableClass
+final class StringableClass implements \Stringable
 {
     public function __toString(): string
     {
diff --git a/src/batch-symfony-validator/tests/SkipItemOnViolationsTest.php b/src/batch-symfony-validator/tests/SkipItemOnViolationsTest.php
index 95545c70..ebf4362c 100644
--- a/src/batch-symfony-validator/tests/SkipItemOnViolationsTest.php
+++ b/src/batch-symfony-validator/tests/SkipItemOnViolationsTest.php
@@ -35,12 +35,9 @@ public function test(array $violations, array $expectedViolations): void
 
     public static function provider(): \Generator
     {
-        $violation = function (string $message, $value) {
-            return new ConstraintViolation($message, $message, [], null, 'property.path', $value);
-        };
-        $message = function (string $message, string $value) {
-            return "property.path: $message (invalid value: $value)";
-        };
+        $violation = fn(string $message, $value)
+            => new ConstraintViolation($message, $message, [], null, 'property.path', $value);
+        $message = fn(string $message, string $value) => "property.path: $message (invalid value: $value)";
 
         yield 'empty string' => [
             [$violation('This value should not be blank.', '')],
diff --git a/src/batch/composer.json b/src/batch/composer.json
index d4cb5ebf..c176f5ec 100644
--- a/src/batch/composer.json
+++ b/src/batch/composer.json
@@ -22,7 +22,6 @@
         }
     },
     "require-dev": {
-        "phpspec/prophecy-phpunit": "^2.0",
         "phpunit/phpunit": "^9.5",
         "symfony/filesystem": "^7.4|^8.0"
     },
diff --git a/src/batch/src/BatchStatus.php b/src/batch/src/BatchStatus.php
index a0145a18..dac2c55a 100644
--- a/src/batch/src/BatchStatus.php
+++ b/src/batch/src/BatchStatus.php
@@ -10,7 +10,7 @@
 /**
  * The status of a job execution.
  */
-final class BatchStatus implements \Stringable
+final readonly class BatchStatus implements \Stringable
 {
     /**
      * The job execution has not started yet.
diff --git a/src/batch/src/Event/ExceptionEvent.php b/src/batch/src/Event/ExceptionEvent.php
index ec11ba08..f1c5ef4b 100644
--- a/src/batch/src/Event/ExceptionEvent.php
+++ b/src/batch/src/Event/ExceptionEvent.php
@@ -22,7 +22,7 @@ final class ExceptionEvent extends JobEvent
 
     public function __construct(
         JobExecution $execution,
-        private Throwable $exception,
+        private readonly Throwable $exception,
     ) {
         parent::__construct($execution);
     }
diff --git a/src/batch/src/Event/JobEvent.php b/src/batch/src/Event/JobEvent.php
index 1797e6a0..107d0850 100644
--- a/src/batch/src/Event/JobEvent.php
+++ b/src/batch/src/Event/JobEvent.php
@@ -12,7 +12,7 @@
 class JobEvent
 {
     public function __construct(
-        private JobExecution $execution,
+        private readonly JobExecution $execution,
     ) {
     }
 
diff --git a/src/batch/src/Factory/JobExecutionFactory.php b/src/batch/src/Factory/JobExecutionFactory.php
index 14573b29..39be96d1 100644
--- a/src/batch/src/Factory/JobExecutionFactory.php
+++ b/src/batch/src/Factory/JobExecutionFactory.php
@@ -10,7 +10,7 @@
 /**
  * Create a {@see JobExecution} from scalar members.
  */
-final class JobExecutionFactory
+final readonly class JobExecutionFactory
 {
     public function __construct(
         private JobExecutionIdGeneratorInterface $idGenerator,
@@ -25,7 +25,7 @@ public function __construct(
      */
     public function create(string $name, array $configuration = []): JobExecution
     {
-        $configuration = $configuration + $this->parametersBuilder->build($name);
+        $configuration += $this->parametersBuilder->build($name);
         /** @var string $id */
         $id = $configuration['_id'] ??= $this->idGenerator->generate();
 
diff --git a/src/batch/src/Factory/JobExecutionParametersBuilder/ChainJobExecutionParametersBuilder.php b/src/batch/src/Factory/JobExecutionParametersBuilder/ChainJobExecutionParametersBuilder.php
index 8c222dbe..92b981c5 100644
--- a/src/batch/src/Factory/JobExecutionParametersBuilder/ChainJobExecutionParametersBuilder.php
+++ b/src/batch/src/Factory/JobExecutionParametersBuilder/ChainJobExecutionParametersBuilder.php
@@ -11,13 +11,13 @@
  * implementations, calls each and merge the results into a single array.
  * The later the {@see JobExecutionParametersBuilderInterface} is in the list, the more chance it's values will be kept.
  */
-final class ChainJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
+final readonly class ChainJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
 {
     public function __construct(
         /**
          * @var iterable<JobExecutionParametersBuilderInterface>
          */
-        private readonly iterable $builders,
+        private iterable $builders,
     ) {
     }
 
diff --git a/src/batch/src/Factory/JobExecutionParametersBuilder/PerJobJobExecutionParametersBuilder.php b/src/batch/src/Factory/JobExecutionParametersBuilder/PerJobJobExecutionParametersBuilder.php
index 4e7b265a..b8499ac9 100644
--- a/src/batch/src/Factory/JobExecutionParametersBuilder/PerJobJobExecutionParametersBuilder.php
+++ b/src/batch/src/Factory/JobExecutionParametersBuilder/PerJobJobExecutionParametersBuilder.php
@@ -9,13 +9,13 @@
 /**
  * This {@see JobExecutionParametersBuilderInterface} has different default values per job provided at construction.
  */
-final class PerJobJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
+final readonly class PerJobJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
 {
     public function __construct(
         /**
          * @var array<string, array<string, mixed>>
          */
-        private readonly array $perJobParameters,
+        private array $perJobParameters,
     ) {
     }
 
diff --git a/src/batch/src/Factory/JobExecutionParametersBuilder/StaticJobExecutionParametersBuilder.php b/src/batch/src/Factory/JobExecutionParametersBuilder/StaticJobExecutionParametersBuilder.php
index 472910ac..42402064 100644
--- a/src/batch/src/Factory/JobExecutionParametersBuilder/StaticJobExecutionParametersBuilder.php
+++ b/src/batch/src/Factory/JobExecutionParametersBuilder/StaticJobExecutionParametersBuilder.php
@@ -9,13 +9,13 @@
 /**
  * This {@see JobExecutionParametersBuilderInterface} has same default values for all jobs provided at construction.
  */
-final class StaticJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
+final readonly class StaticJobExecutionParametersBuilder implements JobExecutionParametersBuilderInterface
 {
     public function __construct(
         /**
          * @var array<string, mixed>
          */
-        private readonly array $parameters,
+        private array $parameters,
     ) {
     }
 
diff --git a/src/batch/src/Failure.php b/src/batch/src/Failure.php
index fa450e41..91935311 100644
--- a/src/batch/src/Failure.php
+++ b/src/batch/src/Failure.php
@@ -10,7 +10,7 @@
  * This class represent an exception that occurred during a {@see JobExecution}.
  * Failure can be added to the execution via {@see JobExecution::addFailureException}.
  */
-final class Failure implements \Stringable
+final readonly class Failure implements \Stringable
 {
     public function __construct(
         /**
@@ -88,11 +88,11 @@ public function getTrace(): string|null
 
     private static function buildTrace(Throwable $exception, bool $deep = false): string
     {
-        $trace = ($deep ? 'Caused by: ' : '') . \get_class($exception) . ': ' . $exception->getMessage() .
+        $trace = ($deep ? 'Caused by: ' : '') . $exception::class . ': ' . $exception->getMessage() .
             ' (at ' . $exception->getFile() . '(' . $exception->getLine() . '))' . PHP_EOL .
             \str_replace("\n", \PHP_EOL, $exception->getTraceAsString());
 
-        if ($exception->getPrevious()) {
+        if ($exception->getPrevious() !== null) {
             $trace .= \PHP_EOL . self::buildTrace($exception->getPrevious(), true);
         }
 
diff --git a/src/batch/src/Finder/CallbackFinder.php b/src/batch/src/Finder/CallbackFinder.php
index 7a6899fc..ff267fc3 100644
--- a/src/batch/src/Finder/CallbackFinder.php
+++ b/src/batch/src/Finder/CallbackFinder.php
@@ -11,7 +11,7 @@
  * @psalm-template T of object
  * @template-implements FinderInterface<T>
  */
-class CallbackFinder implements FinderInterface
+readonly class CallbackFinder implements FinderInterface
 {
     public function __construct(
         /**
diff --git a/src/batch/src/Finder/ClassMapFinder.php b/src/batch/src/Finder/ClassMapFinder.php
index 8e441e4c..677c55a6 100644
--- a/src/batch/src/Finder/ClassMapFinder.php
+++ b/src/batch/src/Finder/ClassMapFinder.php
@@ -11,7 +11,7 @@
  * @psalm-template T of object
  * @template-extends CallbackFinder<T>
  */
-class ClassMapFinder extends CallbackFinder
+readonly class ClassMapFinder extends CallbackFinder
 {
     /**
      * @param array<class-string, T> $classMap
@@ -21,7 +21,7 @@ public function __construct(array $classMap, object $default)
     {
         $strategies = [];
         foreach ($classMap as $class => $component) {
-            $strategies[] = [fn($item) => \is_object($item) && $item instanceof $class, $component];
+            $strategies[] = [fn($item) => $item instanceof $class, $component];
         }
         parent::__construct($strategies, $default);
     }
diff --git a/src/batch/src/Job/AbstractDecoratedJob.php b/src/batch/src/Job/AbstractDecoratedJob.php
index 38432cb5..b7021a9a 100644
--- a/src/batch/src/Job/AbstractDecoratedJob.php
+++ b/src/batch/src/Job/AbstractDecoratedJob.php
@@ -14,7 +14,7 @@
 abstract class AbstractDecoratedJob implements JobInterface
 {
     public function __construct(
-        private JobInterface $job,
+        private readonly JobInterface $job,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Exception/SkipItemException.php b/src/batch/src/Job/Item/Exception/SkipItemException.php
index efa462a7..7a7c1025 100644
--- a/src/batch/src/Job/Item/Exception/SkipItemException.php
+++ b/src/batch/src/Job/Item/Exception/SkipItemException.php
@@ -17,12 +17,12 @@
 final class SkipItemException extends RuntimeException
 {
     public function __construct(
-        private mixed $item,
-        private SkipItemCauseInterface|null $cause,
+        private readonly mixed $item,
+        private readonly SkipItemCauseInterface|null $cause,
         /**
          * @var array<string, mixed>
          */
-        private array $context = [],
+        private readonly array $context = [],
     ) {
         parent::__construct();
     }
diff --git a/src/batch/src/Job/Item/Exception/SkipItemOnError.php b/src/batch/src/Job/Item/Exception/SkipItemOnError.php
index 6dca9802..e162742c 100644
--- a/src/batch/src/Job/Item/Exception/SkipItemOnError.php
+++ b/src/batch/src/Job/Item/Exception/SkipItemOnError.php
@@ -11,7 +11,7 @@
 /**
  * Skip item when an exception occurs and leave a warning with exception to the {@see JobExecution}.
  */
-final class SkipItemOnError implements SkipItemCauseInterface
+final readonly class SkipItemOnError implements SkipItemCauseInterface
 {
     public function __construct(
         private Throwable $error,
diff --git a/src/batch/src/Job/Item/Exception/SkipItemWithWarning.php b/src/batch/src/Job/Item/Exception/SkipItemWithWarning.php
index 5f4e2826..0514f01d 100644
--- a/src/batch/src/Job/Item/Exception/SkipItemWithWarning.php
+++ b/src/batch/src/Job/Item/Exception/SkipItemWithWarning.php
@@ -10,7 +10,7 @@
 /**
  * Skip item and leave an arbitrary warning to the {@see JobExecution}.
  */
-final class SkipItemWithWarning implements SkipItemCauseInterface
+final readonly class SkipItemWithWarning implements SkipItemCauseInterface
 {
     public function __construct(
         private string $message,
diff --git a/src/batch/src/Job/Item/ItemJob.php b/src/batch/src/Job/Item/ItemJob.php
index 70991131..09bae84b 100644
--- a/src/batch/src/Job/Item/ItemJob.php
+++ b/src/batch/src/Job/Item/ItemJob.php
@@ -64,7 +64,7 @@ final public function execute(JobExecution $jobExecution): void
                 );
 
                 $cause = $exception->getCause();
-                if ($cause) {
+                if ($cause !== null) {
                     $cause->report($jobExecution, $readIndex, $exception->getItem());
                 }
 
diff --git a/src/batch/src/Job/Item/Processor/ArrayMapProcessor.php b/src/batch/src/Job/Item/Processor/ArrayMapProcessor.php
index 2e90e2a2..6959bd4a 100644
--- a/src/batch/src/Job/Item/Processor/ArrayMapProcessor.php
+++ b/src/batch/src/Job/Item/Processor/ArrayMapProcessor.php
@@ -11,13 +11,11 @@
 /**
  * This {@see ItemProcessorInterface} calls {@see array_map} on each item.
  */
-final class ArrayMapProcessor implements ItemProcessorInterface
+final readonly class ArrayMapProcessor implements ItemProcessorInterface
 {
-    private Closure $callback;
-
-    public function __construct(Closure $callback)
-    {
-        $this->callback = $callback;
+    public function __construct(
+        private Closure $callback,
+    ) {
     }
 
     /**
diff --git a/src/batch/src/Job/Item/Processor/ChainProcessor.php b/src/batch/src/Job/Item/Processor/ChainProcessor.php
index 02aaee72..93486647 100644
--- a/src/batch/src/Job/Item/Processor/ChainProcessor.php
+++ b/src/batch/src/Job/Item/Processor/ChainProcessor.php
@@ -18,7 +18,7 @@ public function __construct(
         /**
          * @var iterable<ItemProcessorInterface> $processors
          */
-        private iterable $processors,
+        private readonly iterable $processors,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Processor/FilterUniqueProcessor.php b/src/batch/src/Job/Item/Processor/FilterUniqueProcessor.php
index b8a0c889..dd2dc024 100644
--- a/src/batch/src/Job/Item/Processor/FilterUniqueProcessor.php
+++ b/src/batch/src/Job/Item/Processor/FilterUniqueProcessor.php
@@ -17,16 +17,14 @@
  */
 final class FilterUniqueProcessor implements ItemProcessorInterface
 {
-    private Closure $extractUnique;
-
     /**
      * @var array<string, bool>
      */
     private array $encountered = [];
 
-    public function __construct(Closure $extractUnique)
-    {
-        $this->extractUnique = $extractUnique;
+    public function __construct(
+        private readonly Closure $extractUnique,
+    ) {
     }
 
     /**
diff --git a/src/batch/src/Job/Item/Reader/AddMetadataReader.php b/src/batch/src/Job/Item/Reader/AddMetadataReader.php
index cc27f753..9ce4a0ce 100644
--- a/src/batch/src/Job/Item/Reader/AddMetadataReader.php
+++ b/src/batch/src/Job/Item/Reader/AddMetadataReader.php
@@ -17,11 +17,11 @@
 final class AddMetadataReader extends AbstractElementDecorator implements ItemReaderInterface
 {
     public function __construct(
-        private ItemReaderInterface $reader,
+        private readonly ItemReaderInterface $reader,
         /**
          * @var array<string, mixed>
          */
-        private array $metadata,
+        private readonly array $metadata,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Reader/CallbackReader.php b/src/batch/src/Job/Item/Reader/CallbackReader.php
index d1aba2b3..f95a8951 100644
--- a/src/batch/src/Job/Item/Reader/CallbackReader.php
+++ b/src/batch/src/Job/Item/Reader/CallbackReader.php
@@ -11,13 +11,13 @@
  *
  * Provided {@see Closure} must accept no argument and must return an iterable of read items.
  */
-final class CallbackReader implements ItemReaderInterface
+final readonly class CallbackReader implements ItemReaderInterface
 {
     public function __construct(
         /**
          * @var \Closure(): iterable<mixed>
          */
-        private readonly \Closure $callback,
+        private \Closure $callback,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Reader/Filesystem/FixedColumnSizeFileReader.php b/src/batch/src/Job/Item/Reader/Filesystem/FixedColumnSizeFileReader.php
index 2894025e..a19f6690 100644
--- a/src/batch/src/Job/Item/Reader/Filesystem/FixedColumnSizeFileReader.php
+++ b/src/batch/src/Job/Item/Reader/Filesystem/FixedColumnSizeFileReader.php
@@ -80,9 +80,7 @@ public function read(): Generator
                 }
             }
 
-            if (\is_array($headers)) {
-                $row = \array_combine($headers, $row);
-            }
+            $row = \array_combine($headers, $row);
 
             yield $row;
         }
diff --git a/src/batch/src/Job/Item/Reader/IndexWithReader.php b/src/batch/src/Job/Item/Reader/IndexWithReader.php
index 4226de97..199ada49 100644
--- a/src/batch/src/Job/Item/Reader/IndexWithReader.php
+++ b/src/batch/src/Job/Item/Reader/IndexWithReader.php
@@ -18,8 +18,8 @@
 final class IndexWithReader extends AbstractElementDecorator implements ItemReaderInterface
 {
     public function __construct(
-        private ItemReaderInterface $reader,
-        private Closure $extractItemIndex,
+        private readonly ItemReaderInterface $reader,
+        private readonly Closure $extractItemIndex,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Reader/SequenceReader.php b/src/batch/src/Job/Item/Reader/SequenceReader.php
index 67229ffe..379d2f5a 100644
--- a/src/batch/src/Job/Item/Reader/SequenceReader.php
+++ b/src/batch/src/Job/Item/Reader/SequenceReader.php
@@ -16,7 +16,7 @@ public function __construct(
         /**
          * @var iterable<ItemReaderInterface> $readers
          */
-        private iterable $readers,
+        private readonly iterable $readers,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Reader/StaticIterableReader.php b/src/batch/src/Job/Item/Reader/StaticIterableReader.php
index ba438eea..5b894cd2 100644
--- a/src/batch/src/Job/Item/Reader/StaticIterableReader.php
+++ b/src/batch/src/Job/Item/Reader/StaticIterableReader.php
@@ -9,7 +9,7 @@
 /**
  * This {@see ItemReaderInterface} reads from items provided as constructor argument.
  */
-final class StaticIterableReader implements ItemReaderInterface
+final readonly class StaticIterableReader implements ItemReaderInterface
 {
     public function __construct(
         /**
diff --git a/src/batch/src/Job/Item/Writer/ChainWriter.php b/src/batch/src/Job/Item/Writer/ChainWriter.php
index ed94a1df..e5ef2c89 100644
--- a/src/batch/src/Job/Item/Writer/ChainWriter.php
+++ b/src/batch/src/Job/Item/Writer/ChainWriter.php
@@ -16,7 +16,7 @@ public function __construct(
         /**
          * @var iterable<ItemWriterInterface> $writers
          */
-        private iterable $writers,
+        private readonly iterable $writers,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Writer/DispatchEventsWriter.php b/src/batch/src/Job/Item/Writer/DispatchEventsWriter.php
index 45c627f6..0994ebdd 100644
--- a/src/batch/src/Job/Item/Writer/DispatchEventsWriter.php
+++ b/src/batch/src/Job/Item/Writer/DispatchEventsWriter.php
@@ -17,8 +17,8 @@
 final class DispatchEventsWriter extends AbstractElementDecorator implements ItemWriterInterface
 {
     public function __construct(
-        private EventDispatcherInterface $eventDispatcher,
-        private ItemWriterInterface $writer,
+        private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly ItemWriterInterface $writer,
     ) {
     }
 
diff --git a/src/batch/src/Job/Item/Writer/TransformingWriter.php b/src/batch/src/Job/Item/Writer/TransformingWriter.php
index a11758f3..f9e5320e 100644
--- a/src/batch/src/Job/Item/Writer/TransformingWriter.php
+++ b/src/batch/src/Job/Item/Writer/TransformingWriter.php
@@ -52,7 +52,7 @@ public function write(iterable $items): void
                 );
 
                 $cause = $exception->getCause();
-                if ($cause) {
+                if ($cause !== null) {
                     $cause->report($this->jobExecution, $index, $exception->getItem());
                 }
 
@@ -60,7 +60,7 @@ public function write(iterable $items): void
             }
         }
 
-        if (\count($transformedItems) > 0) {
+        if ($transformedItems !== []) {
             $this->writer->write($transformedItems);
         }
     }
diff --git a/src/batch/src/Job/JobExecutionAccessor.php b/src/batch/src/Job/JobExecutionAccessor.php
index 4e5737e3..47601134 100644
--- a/src/batch/src/Job/JobExecutionAccessor.php
+++ b/src/batch/src/Job/JobExecutionAccessor.php
@@ -14,7 +14,7 @@
  * It will either find it from {@see JobExecutionStorageInterface}.
  * Or create and store new one using {@see JobExecutionFactory}.
  */
-final class JobExecutionAccessor
+final readonly class JobExecutionAccessor
 {
     public function __construct(
         private JobExecutionFactory $jobExecutionFactory,
diff --git a/src/batch/src/Job/JobExecutor.php b/src/batch/src/Job/JobExecutor.php
index 33639e28..25c2a821 100644
--- a/src/batch/src/Job/JobExecutor.php
+++ b/src/batch/src/Job/JobExecutor.php
@@ -24,7 +24,7 @@
  * - lifecycle events during execution
  * - JobExecution storage before and after execution
  */
-final class JobExecutor
+final readonly class JobExecutor
 {
     public function __construct(
         private JobRegistry $jobRegistry,
@@ -81,7 +81,7 @@ public function execute(JobExecution $jobExecution): void
         }
 
         $summary = $jobExecution->getSummary()->all();
-        if (\count($summary) > 0) {
+        if ($summary !== []) {
             $logger->debug('Job produced summary', \array_merge(['job' => $name], $summary));
         }
 
diff --git a/src/batch/src/Job/JobWithChildJobs.php b/src/batch/src/Job/JobWithChildJobs.php
index 289698b6..aac0c8fa 100644
--- a/src/batch/src/Job/JobWithChildJobs.php
+++ b/src/batch/src/Job/JobWithChildJobs.php
@@ -19,12 +19,12 @@
 class JobWithChildJobs implements JobInterface
 {
     public function __construct(
-        private JobExecutionStorageInterface $executionStorage,
-        private JobExecutor $jobExecutor,
+        private readonly JobExecutionStorageInterface $executionStorage,
+        private readonly JobExecutor $jobExecutor,
         /**
          * @var iterable<string>
          */
-        private iterable $childJobs,
+        private readonly iterable $childJobs,
     ) {
     }
 
diff --git a/src/batch/src/Job/Parameters/ChainParameterAccessor.php b/src/batch/src/Job/Parameters/ChainParameterAccessor.php
index e53f2550..4a60aa0d 100644
--- a/src/batch/src/Job/Parameters/ChainParameterAccessor.php
+++ b/src/batch/src/Job/Parameters/ChainParameterAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation iterates over a list of other accessors
  * and return the value from the first successful of the list.
  */
-final class ChainParameterAccessor implements JobParameterAccessorInterface
+final readonly class ChainParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         /**
diff --git a/src/batch/src/Job/Parameters/ClosestJobExecutionAccessor.php b/src/batch/src/Job/Parameters/ClosestJobExecutionAccessor.php
index f31739d1..75368676 100644
--- a/src/batch/src/Job/Parameters/ClosestJobExecutionAccessor.php
+++ b/src/batch/src/Job/Parameters/ClosestJobExecutionAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation decorates an other implementation
  * but tries every job execution from the one provided to the root, returning the first that matches.
  */
-final class ClosestJobExecutionAccessor implements JobParameterAccessorInterface
+final readonly class ClosestJobExecutionAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private JobParameterAccessorInterface $accessor,
diff --git a/src/batch/src/Job/Parameters/DefaultParameterAccessor.php b/src/batch/src/Job/Parameters/DefaultParameterAccessor.php
index 7abf2037..b426c27b 100644
--- a/src/batch/src/Job/Parameters/DefaultParameterAccessor.php
+++ b/src/batch/src/Job/Parameters/DefaultParameterAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation return a static value
  * if the decorated job parameter accessor fails accessing parameter.
  */
-final class DefaultParameterAccessor implements JobParameterAccessorInterface
+final readonly class DefaultParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private JobParameterAccessorInterface $accessor,
diff --git a/src/batch/src/Job/Parameters/JobExecutionParameterAccessor.php b/src/batch/src/Job/Parameters/JobExecutionParameterAccessor.php
index ccbc11da..d2bfa407 100644
--- a/src/batch/src/Job/Parameters/JobExecutionParameterAccessor.php
+++ b/src/batch/src/Job/Parameters/JobExecutionParameterAccessor.php
@@ -12,7 +12,7 @@
  * This job parameter accessor implementation access parameters
  * through the contextual JobExecution parameter.
  */
-final class JobExecutionParameterAccessor implements JobParameterAccessorInterface
+final readonly class JobExecutionParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private string $name,
diff --git a/src/batch/src/Job/Parameters/JobExecutionSummaryAccessor.php b/src/batch/src/Job/Parameters/JobExecutionSummaryAccessor.php
index 63bf7e40..099c0183 100644
--- a/src/batch/src/Job/Parameters/JobExecutionSummaryAccessor.php
+++ b/src/batch/src/Job/Parameters/JobExecutionSummaryAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation access summary
  * through the contextual JobExecution parameter.
  */
-final class JobExecutionSummaryAccessor implements JobParameterAccessorInterface
+final readonly class JobExecutionSummaryAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private string $name,
diff --git a/src/batch/src/Job/Parameters/ParentJobExecutionAccessor.php b/src/batch/src/Job/Parameters/ParentJobExecutionAccessor.php
index edcd1cda..3755e501 100644
--- a/src/batch/src/Job/Parameters/ParentJobExecutionAccessor.php
+++ b/src/batch/src/Job/Parameters/ParentJobExecutionAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation decorates an other implementation
  * but tries with parent job execution of the one provided.
  */
-final class ParentJobExecutionAccessor implements JobParameterAccessorInterface
+final readonly class ParentJobExecutionAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private JobParameterAccessorInterface $accessor,
diff --git a/src/batch/src/Job/Parameters/ReplaceWithVariablesParameterAccessor.php b/src/batch/src/Job/Parameters/ReplaceWithVariablesParameterAccessor.php
index 15d023c8..a476e841 100644
--- a/src/batch/src/Job/Parameters/ReplaceWithVariablesParameterAccessor.php
+++ b/src/batch/src/Job/Parameters/ReplaceWithVariablesParameterAccessor.php
@@ -14,11 +14,11 @@
 class ReplaceWithVariablesParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
-        private JobParameterAccessorInterface $accessor,
+        private readonly JobParameterAccessorInterface $accessor,
         /**
          * @var array<string, string>
          */
-        private array $variables = [],
+        private readonly array $variables = [],
     ) {
     }
 
diff --git a/src/batch/src/Job/Parameters/RootJobExecutionAccessor.php b/src/batch/src/Job/Parameters/RootJobExecutionAccessor.php
index c54e8586..37546b86 100644
--- a/src/batch/src/Job/Parameters/RootJobExecutionAccessor.php
+++ b/src/batch/src/Job/Parameters/RootJobExecutionAccessor.php
@@ -10,7 +10,7 @@
  * This job parameter accessor implementation decorates an other implementation
  * but passes root job execution instead of provided execution.
  */
-final class RootJobExecutionAccessor implements JobParameterAccessorInterface
+final readonly class RootJobExecutionAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private JobParameterAccessorInterface $accessor,
diff --git a/src/batch/src/Job/Parameters/SiblingJobExecutionAccessor.php b/src/batch/src/Job/Parameters/SiblingJobExecutionAccessor.php
index 9da4fc28..2694b695 100644
--- a/src/batch/src/Job/Parameters/SiblingJobExecutionAccessor.php
+++ b/src/batch/src/Job/Parameters/SiblingJobExecutionAccessor.php
@@ -11,7 +11,7 @@
  * This job parameter accessor implementation decorates an other implementation
  * but passes a named sibling job execution instead of provided execution.
  */
-final class SiblingJobExecutionAccessor implements JobParameterAccessorInterface
+final readonly class SiblingJobExecutionAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private JobParameterAccessorInterface $accessor,
diff --git a/src/batch/src/Job/Parameters/StaticValueParameterAccessor.php b/src/batch/src/Job/Parameters/StaticValueParameterAccessor.php
index 9b2984cd..203fc900 100644
--- a/src/batch/src/Job/Parameters/StaticValueParameterAccessor.php
+++ b/src/batch/src/Job/Parameters/StaticValueParameterAccessor.php
@@ -9,7 +9,7 @@
 /**
  * This job parameter accessor implementation returns a static value from constructor.
  */
-final class StaticValueParameterAccessor implements JobParameterAccessorInterface
+final readonly class StaticValueParameterAccessor implements JobParameterAccessorInterface
 {
     public function __construct(
         private mixed $value,
diff --git a/src/batch/src/JobExecution.php b/src/batch/src/JobExecution.php
index ecd88481..86113aa4 100644
--- a/src/batch/src/JobExecution.php
+++ b/src/batch/src/JobExecution.php
@@ -26,12 +26,12 @@ final class JobExecution
     /**
      * The job execution id (generated by {@see JobExecutionIdGeneratorInterface}).
      */
-    private string $id;
+    private readonly string $id;
 
     /**
      * The job name.
      */
-    private string $jobName;
+    private readonly string $jobName;
 
     /**
      * The status in which the job execution is.
@@ -65,19 +65,19 @@ final class JobExecution
     /**
      * The summary information collected during execution.
      */
-    private Summary $summary;
+    private readonly Summary $summary;
 
     /**
      * The parameters provided before job execution.
      */
-    private JobParameters $parameters;
+    private readonly JobParameters $parameters;
 
     /**
      * The parent execution.
      * Most of the time null, filled whenever using a {@see JobWithChildJobs}.
      * Inverse side of {@see JobExecution::$childExecutions}
      */
-    private JobExecution|null $parentExecution;
+    private readonly JobExecution|null $parentExecution;
 
     /**
      * The children executions.
@@ -91,13 +91,13 @@ final class JobExecution
      * Logs collected during job execution.
      * Filled via {@see JobExecution::$logger}.
      */
-    private JobExecutionLogs $logs;
+    private readonly JobExecutionLogs $logs;
 
     /**
      * Private job execution logger.
      * Will fill {@see JobExecution::$logs}.
      */
-    private LoggerInterface $logger;
+    private readonly LoggerInterface $logger;
 
     private function __construct(
         JobExecution|null $parentExecution,
@@ -114,8 +114,8 @@ private function __construct(
         $this->status = $status ?: new BatchStatus(BatchStatus::PENDING);
         $this->parameters = $parameters ?: new JobParameters();
         $this->summary = $summary ?: new Summary();
-        $this->logs = $parentExecution ? $parentExecution->getLogs() : ($logs ?: new JobExecutionLogs());
-        $this->logger = $parentExecution ? $parentExecution->getLogger() : new JobExecutionLogger($this->logs);
+        $this->logs = $parentExecution !== null ? $parentExecution->getLogs() : ($logs ?: new JobExecutionLogs());
+        $this->logger = $parentExecution !== null ? $parentExecution->getLogger() : new JobExecutionLogger($this->logs);
     }
 
     /**
@@ -319,10 +319,7 @@ public function addFailureException(Throwable $exception, array $parameters = []
      */
     public function getAllFailures(): array
     {
-        $all = [];
-        foreach ($this->failures as $failure) {
-            $all[] = $failure;
-        }
+        $all = $this->failures;
         foreach ($this->getChildExecutions() as $child) {
             foreach ($child->getAllFailures() as $failure) {
                 $all[] = $failure;
@@ -358,10 +355,7 @@ public function addWarning(Warning $warning, bool $log = true): void
      */
     public function getAllWarnings(): array
     {
-        $all = [];
-        foreach ($this->warnings as $warning) {
-            $all[] = $warning;
-        }
+        $all = $this->warnings;
         foreach ($this->getChildExecutions() as $child) {
             foreach ($child->getAllWarnings() as $warning) {
                 $all[] = $warning;
diff --git a/src/batch/src/JobExecutionLogger.php b/src/batch/src/JobExecutionLogger.php
index e2a48001..acbcfddb 100644
--- a/src/batch/src/JobExecutionLogger.php
+++ b/src/batch/src/JobExecutionLogger.php
@@ -35,7 +35,7 @@ public function __construct(
         /**
          * Logs container : where logs are actually written.
          */
-        private JobExecutionLogs $logs,
+        private readonly JobExecutionLogs $logs,
     ) {
     }
 
diff --git a/src/batch/src/Launcher/RoutingJobLauncher.php b/src/batch/src/Launcher/RoutingJobLauncher.php
index 63739dd2..5974c41b 100644
--- a/src/batch/src/Launcher/RoutingJobLauncher.php
+++ b/src/batch/src/Launcher/RoutingJobLauncher.php
@@ -20,8 +20,8 @@
 final class RoutingJobLauncher implements JobLauncherInterface
 {
     public function __construct(
-        private ContainerInterface $launchers,
-        private JobLauncherInterface $default,
+        private readonly ContainerInterface $launchers,
+        private readonly JobLauncherInterface $default,
         /**
          * @var array<string, string>
          */
diff --git a/src/batch/src/Launcher/SimpleJobLauncher.php b/src/batch/src/Launcher/SimpleJobLauncher.php
index fc4019c7..d8eb7d89 100644
--- a/src/batch/src/Launcher/SimpleJobLauncher.php
+++ b/src/batch/src/Launcher/SimpleJobLauncher.php
@@ -15,8 +15,8 @@
 class SimpleJobLauncher implements JobLauncherInterface
 {
     public function __construct(
-        private JobExecutionAccessor $jobExecutionAccessor,
-        private JobExecutor $jobExecutor,
+        private readonly JobExecutionAccessor $jobExecutionAccessor,
+        private readonly JobExecutor $jobExecutor,
     ) {
     }
 
diff --git a/src/batch/src/Registry/JobRegistry.php b/src/batch/src/Registry/JobRegistry.php
index 19743190..e9846c0f 100644
--- a/src/batch/src/Registry/JobRegistry.php
+++ b/src/batch/src/Registry/JobRegistry.php
@@ -15,7 +15,7 @@
  * It can be registered as a global registry,
  * but it can be also created with a subset of jobs if required.
  */
-final class JobRegistry
+final readonly class JobRegistry
 {
     public function __construct(
         private ContainerInterface $jobs,
diff --git a/src/batch/src/Storage/FilesystemJobExecutionStorage.php b/src/batch/src/Storage/FilesystemJobExecutionStorage.php
index d14c6a63..4537ef20 100644
--- a/src/batch/src/Storage/FilesystemJobExecutionStorage.php
+++ b/src/batch/src/Storage/FilesystemJobExecutionStorage.php
@@ -27,7 +27,7 @@
  *     │   └── 61519f8e0f4a7.json
  *     │   └── 61519f8e46fb3.json
  */
-final class FilesystemJobExecutionStorage implements QueryableJobExecutionStorageInterface
+final readonly class FilesystemJobExecutionStorage implements QueryableJobExecutionStorageInterface
 {
     public function __construct(
         private JobExecutionSerializerInterface $serializer,
@@ -99,17 +99,17 @@ public function query(Query $query): iterable
             }
 
             $names = $query->jobs();
-            if (\count($names) > 0 && !\in_array($execution->getJobName(), $names, true)) {
+            if ($names !== [] && !\in_array($execution->getJobName(), $names, true)) {
                 continue;
             }
 
             $ids = $query->ids();
-            if (\count($ids) > 0 && !\in_array($execution->getId(), $ids, true)) {
+            if ($ids !== [] && !\in_array($execution->getId(), $ids, true)) {
                 continue;
             }
 
             $statuses = $query->statuses();
-            if (\count($statuses) > 0 && !$execution->getStatus()->isOneOf($statuses)) {
+            if ($statuses !== [] && !$execution->getStatus()->isOneOf($statuses)) {
                 continue;
             }
 
@@ -137,18 +137,10 @@ public function query(Query $query): iterable
         }
 
         $order = match ($query->sort()) {
-            Query::SORT_BY_START_ASC => static function (JobExecution $left, JobExecution $right): int {
-                return $left->getStartTime() <=> $right->getStartTime();
-            },
-            Query::SORT_BY_START_DESC => static function (JobExecution $left, JobExecution $right): int {
-                return $right->getStartTime() <=> $left->getStartTime();
-            },
-            Query::SORT_BY_END_ASC => static function (JobExecution $left, JobExecution $right): int {
-                return $left->getEndTime() <=> $right->getEndTime();
-            },
-            Query::SORT_BY_END_DESC => static function (JobExecution $left, JobExecution $right): int {
-                return $right->getEndTime() <=> $left->getEndTime();
-            },
+            Query::SORT_BY_START_ASC => static fn(JobExecution $left, JobExecution $right): int => $left->getStartTime() <=> $right->getStartTime(),
+            Query::SORT_BY_START_DESC => static fn(JobExecution $left, JobExecution $right): int => $right->getStartTime() <=> $left->getStartTime(),
+            Query::SORT_BY_END_ASC => static fn(JobExecution $left, JobExecution $right): int => $left->getEndTime() <=> $right->getEndTime(),
+            Query::SORT_BY_END_DESC => static fn(JobExecution $left, JobExecution $right): int => $right->getEndTime() <=> $left->getEndTime(),
             default => null,
         };
 
diff --git a/src/batch/src/Storage/Query.php b/src/batch/src/Storage/Query.php
index a14dfd4d..f51d4b0f 100644
--- a/src/batch/src/Storage/Query.php
+++ b/src/batch/src/Storage/Query.php
@@ -10,7 +10,7 @@
  * Query {@see JobExecution} list.
  * Passed as only argument of {@see QueryableJobExecutionStorageInterface::query} method.
  */
-final class Query
+final readonly class Query
 {
     public const SORT_BY_START_ASC = 'start_asc';
     public const SORT_BY_START_DESC = 'start_desc';
diff --git a/src/batch/src/Storage/TimeFilter.php b/src/batch/src/Storage/TimeFilter.php
index 2b79de10..4c9b3034 100644
--- a/src/batch/src/Storage/TimeFilter.php
+++ b/src/batch/src/Storage/TimeFilter.php
@@ -10,7 +10,7 @@
 /**
  * DTO with optional time boundaries.
  */
-final class TimeFilter
+final readonly class TimeFilter
 {
     public function __construct(
         private DateTimeInterface|null $from,
diff --git a/src/batch/src/Test/Finder/DummyFinder.php b/src/batch/src/Test/Finder/DummyFinder.php
index cd5953ec..50c239e9 100644
--- a/src/batch/src/Test/Finder/DummyFinder.php
+++ b/src/batch/src/Test/Finder/DummyFinder.php
@@ -12,7 +12,7 @@
  * @psalm-template T of object
  * @template-implements FinderInterface<T>
  */
-final class DummyFinder implements FinderInterface
+final readonly class DummyFinder implements FinderInterface
 {
     public function __construct(
         /**
diff --git a/src/batch/src/Test/Job/Item/Processor/TestDebugProcessor.php b/src/batch/src/Test/Job/Item/Processor/TestDebugProcessor.php
index 41667b9d..cf21b427 100644
--- a/src/batch/src/Test/Job/Item/Processor/TestDebugProcessor.php
+++ b/src/batch/src/Test/Job/Item/Processor/TestDebugProcessor.php
@@ -14,7 +14,7 @@
  */
 final class TestDebugProcessor extends TestDebugComponent implements ItemProcessorInterface
 {
-    private ItemProcessorInterface $decorated;
+    private readonly ItemProcessorInterface $decorated;
     private bool $processed = false;
 
     public function __construct(ItemProcessorInterface $decorated)
diff --git a/src/batch/src/Test/Job/Item/Reader/TestDebugReader.php b/src/batch/src/Test/Job/Item/Reader/TestDebugReader.php
index ee3c6dc3..0c3d9a61 100644
--- a/src/batch/src/Test/Job/Item/Reader/TestDebugReader.php
+++ b/src/batch/src/Test/Job/Item/Reader/TestDebugReader.php
@@ -14,7 +14,7 @@
  */
 final class TestDebugReader extends TestDebugComponent implements ItemReaderInterface
 {
-    private ItemReaderInterface $decorated;
+    private readonly ItemReaderInterface $decorated;
     private bool $read = false;
 
     public function __construct(ItemReaderInterface $decorated)
diff --git a/src/batch/src/Test/Job/Item/Writer/TestDebugWriter.php b/src/batch/src/Test/Job/Item/Writer/TestDebugWriter.php
index b359d195..1fe91fed 100644
--- a/src/batch/src/Test/Job/Item/Writer/TestDebugWriter.php
+++ b/src/batch/src/Test/Job/Item/Writer/TestDebugWriter.php
@@ -14,7 +14,7 @@
  */
 final class TestDebugWriter extends TestDebugComponent implements ItemWriterInterface
 {
-    private ItemWriterInterface $decorated;
+    private readonly ItemWriterInterface $decorated;
     private bool $written = false;
 
     public function __construct(ItemWriterInterface $decorated)
diff --git a/src/batch/src/Test/Launcher/BufferingJobLauncher.php b/src/batch/src/Test/Launcher/BufferingJobLauncher.php
index 4606e0ed..71da2205 100644
--- a/src/batch/src/Test/Launcher/BufferingJobLauncher.php
+++ b/src/batch/src/Test/Launcher/BufferingJobLauncher.php
@@ -22,7 +22,7 @@ final class BufferingJobLauncher implements JobLauncherInterface
     private array $executions = [];
 
     public function __construct(
-        private JobExecutionIdGeneratorInterface $idGenerator,
+        private readonly JobExecutionIdGeneratorInterface $idGenerator,
     ) {
     }
 
diff --git a/src/batch/src/Trigger/Scheduler/CallbackScheduler.php b/src/batch/src/Trigger/Scheduler/CallbackScheduler.php
index fdb8ded1..6d4e8cbe 100644
--- a/src/batch/src/Trigger/Scheduler/CallbackScheduler.php
+++ b/src/batch/src/Trigger/Scheduler/CallbackScheduler.php
@@ -25,14 +25,13 @@ class CallbackScheduler implements SchedulerInterface
     /**
      * @var list<array{0: callable, 1: string, 2: array<string, mixed>, 3: string|null}>
      */
-    private array $config;
+    private array $config = [];
 
     /**
      * @param list<array{0: callable, 1: string, 2: array<string, mixed>|null, 3: string|null}> $config
      */
     public function __construct(array $config)
     {
-        $this->config = [];
         foreach ($config as $entry) {
             $this->config[] = [
                 $entry[0],
diff --git a/src/batch/src/Trigger/Scheduler/ScheduledJob.php b/src/batch/src/Trigger/Scheduler/ScheduledJob.php
index 5de52948..30a4be33 100644
--- a/src/batch/src/Trigger/Scheduler/ScheduledJob.php
+++ b/src/batch/src/Trigger/Scheduler/ScheduledJob.php
@@ -7,7 +7,7 @@
 /**
  * This model class is used by schedulers to hold information about a job that should be triggered.
  */
-final class ScheduledJob
+final readonly class ScheduledJob
 {
     public function __construct(
         private string $jobName,
diff --git a/src/batch/src/Trigger/TriggerScheduledJobsJob.php b/src/batch/src/Trigger/TriggerScheduledJobsJob.php
index 209ffbfd..c2fce95b 100644
--- a/src/batch/src/Trigger/TriggerScheduledJobsJob.php
+++ b/src/batch/src/Trigger/TriggerScheduledJobsJob.php
@@ -15,7 +15,7 @@
  *
  * This job can be launched using a crontab, so the jobs you scheduled will be evaluated at each crontab rotation.
  */
-final class TriggerScheduledJobsJob implements JobInterface
+final readonly class TriggerScheduledJobsJob implements JobInterface
 {
     /**
      * @param iterable<SchedulerInterface> $schedulers
diff --git a/src/batch/src/Warning.php b/src/batch/src/Warning.php
index 434d5635..630b886a 100644
--- a/src/batch/src/Warning.php
+++ b/src/batch/src/Warning.php
@@ -9,7 +9,7 @@
  * It is usually something about sanity/validation.
  * Warning can be added to the execution via {@see JobExecution::addWarning}.
  */
-final class Warning implements \Stringable
+final readonly class Warning implements \Stringable
 {
     public function __construct(
         /**
diff --git a/src/batch/tests/BatchStatusTest.php b/src/batch/tests/BatchStatusTest.php
index 9da54e2e..01976946 100644
--- a/src/batch/tests/BatchStatusTest.php
+++ b/src/batch/tests/BatchStatusTest.php
@@ -11,7 +11,7 @@
 class BatchStatusTest extends TestCase
 {
     #[DataProvider('statuses')]
-    public function testStatus(int $value, string $label, bool $unsucessful)
+    public function testStatus(int $value, string $label, bool $unsucessful): void
     {
         $status = new BatchStatus($value);
         self::assertSame($label, (string)$status);
diff --git a/src/batch/tests/Dummy/DebugEventDispatcher.php b/src/batch/tests/Dummy/DebugEventDispatcher.php
index 90272a83..e41f09b8 100644
--- a/src/batch/tests/Dummy/DebugEventDispatcher.php
+++ b/src/batch/tests/Dummy/DebugEventDispatcher.php
@@ -18,10 +18,10 @@ final class DebugEventDispatcher implements EventDispatcherInterface
      */
     private array $listeners = [];
 
-    public function dispatch(object $event)
+    public function dispatch(object $event): void
     {
         $this->events[] = $event;
-        foreach ($this->listeners[\get_class($event)] ?? [] as $listener) {
+        foreach ($this->listeners[$event::class] ?? [] as $listener) {
             $listener($event);
         }
     }
diff --git a/src/batch/tests/Job/Item/Exception/SkipItemOnErrorTest.php b/src/batch/tests/Job/Item/Exception/SkipItemOnErrorTest.php
index 4bea1c62..6b12f9ce 100644
--- a/src/batch/tests/Job/Item/Exception/SkipItemOnErrorTest.php
+++ b/src/batch/tests/Job/Item/Exception/SkipItemOnErrorTest.php
@@ -30,7 +30,7 @@ public function test(Throwable $error): void
             [
                 'itemIndex' => 'itemIndex',
                 'item' => 'item',
-                'class' => \get_class($error),
+                'class' => $error::class,
                 'message' => $error->getMessage(),
                 'code' => $error->getCode(),
                 'trace' => $error->getTraceAsString(),
diff --git a/src/batch/tests/Job/Item/ItemJobTest.php b/src/batch/tests/Job/Item/ItemJobTest.php
index f2213ae3..53756c6a 100644
--- a/src/batch/tests/Job/Item/ItemJobTest.php
+++ b/src/batch/tests/Job/Item/ItemJobTest.php
@@ -28,7 +28,7 @@ public function testExecute(): void
             new StaticIterableReader([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]),
         );
         $processor = new TestDebugProcessor(
-            new CallbackProcessor(function ($item) {
+            new CallbackProcessor(function (null|int $item) {
                 if ($item > 9) {
                     throw SkipItemException::withWarning(
                         $item,
diff --git a/src/batch/tests/Job/Item/Processor/ArrayMapProcessorTest.php b/src/batch/tests/Job/Item/Processor/ArrayMapProcessorTest.php
index dfa0e7c6..94685737 100644
--- a/src/batch/tests/Job/Item/Processor/ArrayMapProcessorTest.php
+++ b/src/batch/tests/Job/Item/Processor/ArrayMapProcessorTest.php
@@ -12,7 +12,7 @@ class ArrayMapProcessorTest extends TestCase
 {
     public function test(): void
     {
-        $processor = new ArrayMapProcessor(fn($string) => \mb_strtoupper($string));
+        $processor = new ArrayMapProcessor(fn(string $string) => \mb_strtoupper($string));
         self::assertSame(
             ['firstName' => 'JOHN', 'lastName' => 'DOE'],
             $processor->process(['firstName' => 'John', 'lastName' => 'Doe']),
diff --git a/src/batch/tests/Job/Item/Processor/FilterUniqueProcessorTest.php b/src/batch/tests/Job/Item/Processor/FilterUniqueProcessorTest.php
index 81a7bf87..cf46331f 100644
--- a/src/batch/tests/Job/Item/Processor/FilterUniqueProcessorTest.php
+++ b/src/batch/tests/Job/Item/Processor/FilterUniqueProcessorTest.php
@@ -23,7 +23,7 @@ public function test(callable $factory, array $items, array $expected): void
         foreach ($items as $item) {
             try {
                 $actual[] = $processor->process($item);
-            } catch (SkipItemException $exception) {
+            } catch (SkipItemException) {
                 //the item have be filtered and not won't be added to $actual
             }
         }
diff --git a/src/batch/tests/Job/Item/Reader/StaticIterableReaderTest.php b/src/batch/tests/Job/Item/Reader/StaticIterableReaderTest.php
index 8cd72a11..568a8b55 100644
--- a/src/batch/tests/Job/Item/Reader/StaticIterableReaderTest.php
+++ b/src/batch/tests/Job/Item/Reader/StaticIterableReaderTest.php
@@ -28,11 +28,8 @@ public static function items(): \Iterator
         $items = [1, 2, 3];
 
         $aggregate = new class($items) implements \IteratorAggregate {
-            private array $items;
-
-            public function __construct(array $items)
+            public function __construct(private readonly array $items)
             {
-                $this->items = $items;
             }
 
             public function getIterator(): \Generator
diff --git a/src/batch/tests/Job/Item/Writer/DispatchEventsWriterTest.php b/src/batch/tests/Job/Item/Writer/DispatchEventsWriterTest.php
index 81c289ac..a8d35116 100644
--- a/src/batch/tests/Job/Item/Writer/DispatchEventsWriterTest.php
+++ b/src/batch/tests/Job/Item/Writer/DispatchEventsWriterTest.php
@@ -21,7 +21,7 @@ public function test(): void
             $dispatcher = new DebugEventDispatcher(),
             $decorated = new TestDebugWriter(new NullWriter()),
         );
-        $dispatcher->addListener(PostWriteEvent::class, function () {
+        $dispatcher->addListener(PostWriteEvent::class, function (): never {
             throw new \RuntimeException('Test exception');
         });
 
diff --git a/src/batch/tests/Job/Item/Writer/SummaryWriterTest.php b/src/batch/tests/Job/Item/Writer/SummaryWriterTest.php
index b2c5ae04..3663e85d 100644
--- a/src/batch/tests/Job/Item/Writer/SummaryWriterTest.php
+++ b/src/batch/tests/Job/Item/Writer/SummaryWriterTest.php
@@ -16,7 +16,7 @@ public function test(): void
         $writer = new SummaryWriter(new StaticValueParameterAccessor('target'));
         $writer->setJobExecution($jobExecution = JobExecution::createRoot('123456', 'testing'));
 
-        self::assertSame(null, $jobExecution->getSummary()->get('target'));
+        self::assertNull($jobExecution->getSummary()->get('target'));
         $writer->write(['One']);
         self::assertSame(['One'], $jobExecution->getSummary()->get('target'));
         $writer->write(['Two', 'Three']);
diff --git a/src/batch/tests/Job/Item/Writer/TransformingWriterTest.php b/src/batch/tests/Job/Item/Writer/TransformingWriterTest.php
index c69e1705..3f809aa9 100644
--- a/src/batch/tests/Job/Item/Writer/TransformingWriterTest.php
+++ b/src/batch/tests/Job/Item/Writer/TransformingWriterTest.php
@@ -20,7 +20,7 @@ class TransformingWriterTest extends TestCase
     public function test(): void
     {
         $writer = new TransformingWriter(
-            $debugProcessor = new TestDebugProcessor(new CallbackProcessor(fn($string) => \strtoupper($string))),
+            $debugProcessor = new TestDebugProcessor(new CallbackProcessor(fn(string $string) => \strtoupper($string))),
             $debugWriter = new TestDebugWriter($innerWriter = new InMemoryWriter()),
         );
 
diff --git a/src/batch/tests/Job/JobExecutorTest.php b/src/batch/tests/Job/JobExecutorTest.php
index 488e9f02..fe9ab684 100644
--- a/src/batch/tests/Job/JobExecutorTest.php
+++ b/src/batch/tests/Job/JobExecutorTest.php
@@ -6,10 +6,8 @@
 
 use PHPUnit\Framework\Assert;
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\MockObject\Stub;
 use PHPUnit\Framework\TestCase;
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
 use Throwable;
 use Yokai\Batch\BatchStatus;
 use Yokai\Batch\Event\ExceptionEvent;
@@ -25,18 +23,16 @@
 
 class JobExecutorTest extends TestCase
 {
-    use ProphecyTrait;
-
-    private JobInterface|ObjectProphecy $job;
+    private Stub&JobInterface $job;
     private DebugEventDispatcher $dispatcher;
     private JobExecutor $executor;
 
     protected function setUp(): void
     {
-        $this->job = $this->prophesize(JobInterface::class);
+        $this->job = $this->createMock(JobInterface::class);
         $this->dispatcher = new DebugEventDispatcher();
         $this->executor = new JobExecutor(
-            JobRegistry::fromJobArray(['test.job_executor' => $this->job->reveal()]),
+            JobRegistry::fromJobArray(['test.job_executor' => $this->job]),
             new InMemoryJobExecutionStorage(),
             $this->dispatcher,
         );
@@ -45,11 +41,10 @@ protected function setUp(): void
     public function testLaunch(): void
     {
         $execution = JobExecution::createRoot('123', 'test.job_executor');
-        $this->job->execute($execution)
-            ->shouldBeCalledTimes(1)
-            ->will(function (array $args): void {
-                /** @var JobExecution $execution */
-                $execution = $args[0];
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->with($execution)
+            ->willReturnCallback(function (JobExecution $execution): void {
                 $execution->getSummary()->set('foo', 'FOO');
                 $execution->addWarning(new Warning('Test warning on purpose'));
             });
@@ -74,15 +69,17 @@ public function testLaunch(): void
     public function testLaunchJobCatchErrors(Throwable $error): void
     {
         $execution = JobExecution::createRoot('123', 'test.job_executor');
-        $this->job->execute($execution)
-            ->willThrow($error);
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->with($execution)
+            ->willThrowException($error);
 
         $this->executor->execute($execution);
 
         self::assertNotNull($execution->getStartTime());
         self::assertNotNull($execution->getEndTime());
         self::assertSame(BatchStatus::FAILED, $execution->getStatus()->getValue());
-        self::assertSame(\get_class($error), $execution->getFailures()[0]->getClass());
+        self::assertSame($error::class, $execution->getFailures()[0]->getClass());
         self::assertSame($error->getMessage(), $execution->getFailures()[0]->getMessage());
         $logs = (string)$execution->getLogs();
         self::assertStringContainsString('DEBUG: Starting job', $logs);
@@ -97,8 +94,10 @@ public function testLaunchJobCatchErrors(Throwable $error): void
     public function testLaunchErrorWithStatusListener(): void
     {
         $execution = JobExecution::createRoot('123', 'test.job_executor');
-        $this->job->execute($execution)
-            ->willThrow($exception = new \RuntimeException());
+        $this->job->expects($this->once())
+            ->method('execute')
+            ->with($execution)
+            ->willThrowException($exception = new \RuntimeException());
 
         $this->dispatcher->addListener(
             ExceptionEvent::class,
@@ -125,8 +124,8 @@ function (ExceptionEvent $event) use ($exception) {
 
     public function testLaunchJobNotExecutable(): void
     {
-        $this->job->execute(Argument::any())
-            ->shouldNotBeCalled();
+        $this->job->expects($this->never())
+            ->method('execute');
 
         $execution = JobExecution::createRoot('123', 'test.job_executor', new BatchStatus(BatchStatus::COMPLETED));
         $this->executor->execute($execution);
diff --git a/src/batch/tests/Job/LoggerTest.php b/src/batch/tests/Job/LoggerTest.php
index e1708b18..17539ddb 100644
--- a/src/batch/tests/Job/LoggerTest.php
+++ b/src/batch/tests/Job/LoggerTest.php
@@ -11,7 +11,7 @@
 
 class LoggerTest extends TestCase
 {
-    public function testLogError()
+    public function testLogError(): void
     {
         $idGenerator = new UniqidJobExecutionIdGenerator();
         $errorToLog = 'test assert logErrorMethod';
diff --git a/src/batch/tests/JobExecutionTest.php b/src/batch/tests/JobExecutionTest.php
index 749c6c7f..f3ecc4f5 100644
--- a/src/batch/tests/JobExecutionTest.php
+++ b/src/batch/tests/JobExecutionTest.php
@@ -55,7 +55,7 @@ public function testConstruct(): void
         self::assertNull($minimalJobExecution->getEndTime());
     }
 
-    public function testGetParameter()
+    public function testGetParameter(): void
     {
         $jobExecution = JobExecution::createRoot(
             '123456789',
@@ -66,15 +66,15 @@ public function testGetParameter()
             ),
         );
 
-        self::assertSame(null, $jobExecution->getParameter('null'));
+        self::assertNull($jobExecution->getParameter('null'));
         self::assertSame('foo', $jobExecution->getParameter('string'));
         self::assertSame([], $jobExecution->getParameter('array'));
-        self::assertSame(false, $jobExecution->getParameter('bool'));
+        self::assertFalse($jobExecution->getParameter('bool'));
         self::assertSame(0, $jobExecution->getParameter('int'));
         self::assertSame(0.000, $jobExecution->getParameter('float'));
     }
 
-    public function testGetUndefinedParameter()
+    public function testGetUndefinedParameter(): void
     {
         $this->expectException(UndefinedJobParameterException::class);
 
@@ -132,7 +132,7 @@ public function testChangeStatus(): void
         self::assertTrue($jobExecution->getStatus()->is(BatchStatus::COMPLETED));
     }
 
-    public function testManipulatesFailures()
+    public function testManipulatesFailures(): void
     {
         $failureMessage = fn(Failure $failure): string => $failure->getMessage();
         $failureToString = fn(Failure $failure): string => (string)$failure;
@@ -165,7 +165,7 @@ public function testManipulatesFailures()
         self::assertStringContainsString('ERROR: Export Job Failure', $logs);
     }
 
-    public function testManipulatesWarnings()
+    public function testManipulatesWarnings(): void
     {
         $warningMessage = fn(Warning $warning): string => $warning->getMessage();
         $warningToString = fn(Warning $warning): string => (string)$warning;
@@ -198,7 +198,7 @@ public function testManipulatesWarnings()
         self::assertStringContainsString('WARNING: Export Job Warning {"bar":"BAR"}', $logs);
     }
 
-    public function testComputesDuration()
+    public function testComputesDuration(): void
     {
         $jobExecution = JobExecution::createRoot('123456789', 'export');
         $jobExecution->setStartTime(\DateTimeImmutable::createFromFormat('Y-m-d H:i:s', '2019-01-01 10:00:00'));
diff --git a/src/batch/tests/JobParametersTest.php b/src/batch/tests/JobParametersTest.php
index 24f3cc75..3c6e2d0c 100644
--- a/src/batch/tests/JobParametersTest.php
+++ b/src/batch/tests/JobParametersTest.php
@@ -31,10 +31,10 @@ public function testGet(): void
             ['null' => null, 'string' => 'foo', 'array' => [], 'bool' => false, 'int' => 0, 'float' => 0.000],
         );
 
-        self::assertSame(null, $parameters->get('null'));
+        self::assertNull($parameters->get('null'));
         self::assertSame('foo', $parameters->get('string'));
         self::assertSame([], $parameters->get('array'));
-        self::assertSame(false, $parameters->get('bool'));
+        self::assertFalse($parameters->get('bool'));
         self::assertSame(0, $parameters->get('int'));
         self::assertSame(0.000, $parameters->get('float'));
     }
diff --git a/src/batch/tests/Launcher/SimpleJobLauncherTest.php b/src/batch/tests/Launcher/SimpleJobLauncherTest.php
index 95215a0c..7f42c887 100644
--- a/src/batch/tests/Launcher/SimpleJobLauncherTest.php
+++ b/src/batch/tests/Launcher/SimpleJobLauncherTest.php
@@ -5,7 +5,6 @@
 namespace Yokai\Batch\Tests\Launcher;
 
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
 use Yokai\Batch\BatchStatus;
 use Yokai\Batch\Factory\JobExecutionFactory;
 use Yokai\Batch\Factory\JobExecutionParametersBuilder\NullJobExecutionParametersBuilder;
@@ -19,11 +18,9 @@
 
 class SimpleJobLauncherTest extends TestCase
 {
-    use ProphecyTrait;
-
     public function test(): void
     {
-        $job = $this->prophesize(JobInterface::class);
+        $job = $this->createStub(JobInterface::class);
 
         $launcher = new SimpleJobLauncher(
             new JobExecutionAccessor(
@@ -34,7 +31,7 @@ public function test(): void
                 $jobExecutionStorage = new InMemoryJobExecutionStorage(),
             ),
             new JobExecutor(
-                JobRegistry::fromJobArray(['phpunit' => $job->reveal()]),
+                JobRegistry::fromJobArray(['phpunit' => $job]),
                 $jobExecutionStorage,
                 null,
             ),
diff --git a/src/batch/tests/Logger/BatchLoggerTest.php b/src/batch/tests/Logger/BatchLoggerTest.php
index 14743972..d3139025 100644
--- a/src/batch/tests/Logger/BatchLoggerTest.php
+++ b/src/batch/tests/Logger/BatchLoggerTest.php
@@ -18,8 +18,8 @@ public function testLaunch(): void
         $dispatcher = new DebugEventDispatcher();
         $logger = new BatchLogger();
 
-        $dispatcher->addListener(PreExecuteEvent::class, [$logger, 'onPreExecute']);
-        $dispatcher->addListener(PostExecuteEvent::class, [$logger, 'onPostExecute']);
+        $dispatcher->addListener(PreExecuteEvent::class, $logger->onPreExecute(...));
+        $dispatcher->addListener(PostExecuteEvent::class, $logger->onPostExecute(...));
 
         $execution = JobExecution::createRoot('123', 'test.job_executor');
 
diff --git a/src/batch/tests/Registry/JobContainerTest.php b/src/batch/tests/Registry/JobContainerTest.php
index eb1e759e..f0e707cc 100644
--- a/src/batch/tests/Registry/JobContainerTest.php
+++ b/src/batch/tests/Registry/JobContainerTest.php
@@ -5,19 +5,16 @@
 namespace Yokai\Batch\Tests\Registry;
 
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Container\NotFoundExceptionInterface;
 use Yokai\Batch\Job\JobInterface;
 use Yokai\Batch\Registry\JobContainer;
 
 class JobContainerTest extends TestCase
 {
-    use ProphecyTrait;
-
     public function testGet(): void
     {
-        $foo = $this->prophesize(JobInterface::class)->reveal();
-        $bar = $this->prophesize(JobInterface::class)->reveal();
+        $foo = $this->createStub(JobInterface::class);
+        $bar = $this->createStub(JobInterface::class);
         $container = new JobContainer(['foo' => $foo, 'bar' => $bar]);
         self::assertSame($foo, $container->get('foo'));
         self::assertSame($bar, $container->get('bar'));
@@ -27,14 +24,14 @@ public function testGetNotFound(): void
     {
         $this->expectExceptionMessage('You have requested a non-existent job "bar".');
         $this->expectException(NotFoundExceptionInterface::class);
-        $foo = $this->prophesize(JobInterface::class)->reveal();
+        $foo = $this->createStub(JobInterface::class);
         $container = new JobContainer(['foo' => $foo]);
         $container->get('bar');
     }
 
     public function testHas(): void
     {
-        $foo = $this->prophesize(JobInterface::class)->reveal();
+        $foo = $this->createStub(JobInterface::class);
         $container = new JobContainer(['foo' => $foo]);
         self::assertTrue($container->has('foo'));
         self::assertFalse($container->has('bar'));
diff --git a/src/batch/tests/Registry/JobRegistryTest.php b/src/batch/tests/Registry/JobRegistryTest.php
index 5cc5f7f4..91a3f45b 100644
--- a/src/batch/tests/Registry/JobRegistryTest.php
+++ b/src/batch/tests/Registry/JobRegistryTest.php
@@ -5,26 +5,20 @@
 namespace Yokai\Batch\Tests\Registry;
 
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
 use Yokai\Batch\Exception\UndefinedJobException;
 use Yokai\Batch\Job\JobInterface;
 use Yokai\Batch\Registry\JobRegistry;
 
 class JobRegistryTest extends TestCase
 {
-    use ProphecyTrait;
-
     public function testRegistry(): void
     {
-        /** @var ObjectProphecy|JobInterface $export */
-        $export = $this->prophesize(JobInterface::class);
-        /** @var ObjectProphecy|JobInterface $import */
-        $import = $this->prophesize(JobInterface::class);
+        $export = $this->createStub(JobInterface::class);
+        $import = $this->createStub(JobInterface::class);
 
-        $registry = JobRegistry::fromJobArray(['export' => $export->reveal(), 'import' => $import->reveal()]);
-        self::assertSame($export->reveal(), $registry->get('export'));
-        self::assertSame($import->reveal(), $registry->get('import'));
+        $registry = JobRegistry::fromJobArray(['export' => $export, 'import' => $import]);
+        self::assertSame($export, $registry->get('export'));
+        self::assertSame($import, $registry->get('import'));
     }
 
     public function testGetNotFound(): void
diff --git a/src/batch/tests/Storage/FilesystemJobExecutionStorageTest.php b/src/batch/tests/Storage/FilesystemJobExecutionStorageTest.php
index 2cf1aada..d0c755dd 100644
--- a/src/batch/tests/Storage/FilesystemJobExecutionStorageTest.php
+++ b/src/batch/tests/Storage/FilesystemJobExecutionStorageTest.php
@@ -5,9 +5,8 @@
 namespace Yokai\Batch\Tests\Storage;
 
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\MockObject\Stub;
 use PHPUnit\Framework\TestCase;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
 use Yokai\Batch\BatchStatus;
 use Yokai\Batch\Exception\CannotRemoveJobExecutionException;
 use Yokai\Batch\Exception\CannotStoreJobExecutionException;
@@ -22,16 +21,12 @@
 
 class FilesystemJobExecutionStorageTest extends TestCase
 {
-    use ProphecyTrait;
     use JobExecutionStorageTestTrait;
 
     private const STORAGE_DIR = ARTIFACT_DIR . '/filesystem-storage';
     private const READONLY_STORAGE_DIR = ARTIFACT_DIR . '/filesystem-storage-readonly';
 
-    /**
-     * @var JobExecutionSerializerInterface|ObjectProphecy
-     */
-    private $serializer;
+    private Stub&JobExecutionSerializerInterface $serializer;
 
     public static function setUpBeforeClass(): void
     {
@@ -44,8 +39,8 @@ public static function setUpBeforeClass(): void
 
     protected function setUp(): void
     {
-        $this->serializer = $this->prophesize(JobExecutionSerializerInterface::class);
-        $this->serializer->extension()
+        $this->serializer = $this->createStub(JobExecutionSerializerInterface::class);
+        $this->serializer->method('extension')
             ->willReturn('txt');
     }
 
@@ -54,7 +49,7 @@ private function createStorage(
         JobExecutionSerializerInterface|null $serializer = null,
     ): FilesystemJobExecutionStorage {
         return new FilesystemJobExecutionStorage(
-            $serializer ?? $this->serializer->reveal(),
+            $serializer ?? $this->serializer,
             $dir,
         );
     }
@@ -63,8 +58,8 @@ public function testStore(): void
     {
         $jobExecution = JobExecution::createRoot('123456789', 'export');
 
-        $this->serializer->serialize($jobExecution)
-            ->shouldBeCalledTimes(1)
+        $this->serializer->method('serialize')
+            ->with($jobExecution)
             ->willReturn('serialized job execution');
 
         $this->createStorage()->store($jobExecution);
@@ -72,7 +67,7 @@ public function testStore(): void
         $file = self::STORAGE_DIR . '/export/123456789.txt';
         self::assertFileExists($file);
         self::assertIsReadable($file);
-        self::assertEquals('serialized job execution', \file_get_contents($file));
+        self::assertSame('serialized job execution', \file_get_contents($file));
     }
 
     public function testStoreFileNotWritable(): void
@@ -80,8 +75,8 @@ public function testStoreFileNotWritable(): void
         $this->expectException(CannotStoreJobExecutionException::class);
 
         $jobExecution = JobExecution::createRoot('123456789', 'export');
-        $this->serializer->serialize($jobExecution)
-            ->shouldBeCalledTimes(1)
+        $this->serializer->method('serialize')
+            ->with($jobExecution)
             ->willReturn('serialized job execution');
 
         $this->createStorage(self::READONLY_STORAGE_DIR)->store($jobExecution);
@@ -101,8 +96,8 @@ public function testRetrieve(): void
         $jobExecution = JobExecution::createRoot('123456789', 'export');
         \file_put_contents(self::STORAGE_DIR . '/export/123456789.txt', 'serialized and stored job execution');
 
-        $this->serializer->unserialize('serialized and stored job execution')
-            ->shouldBeCalledTimes(1)
+        $this->serializer->method('unserialize')
+            ->with('serialized and stored job execution')
             ->willReturn($jobExecution);
 
         self::assertSame($jobExecution, $this->createStorage()->retrieve('export', '123456789'));
@@ -147,7 +142,7 @@ public function testQueryWithProvider(QueryBuilder $query, array $expectedCouple
         );
 
         self::assertExecutions($expectedCouples, $storage->query($query->getQuery()));
-        self::assertEquals(\count($expectedCouples), $storage->count($query->getQuery()));
+        self::assertCount($storage->count($query->getQuery()), $expectedCouples);
     }
 
     public static function query(): \Generator
@@ -307,8 +302,8 @@ public function testRemove(): void
     {
         $jobExecution = JobExecution::createRoot('will_be_removed', 'export');
 
-        $this->serializer->serialize($jobExecution)
-            ->shouldBeCalledTimes(1)
+        $this->serializer->method('serialize')
+            ->with($jobExecution)
             ->willReturn('serialized job execution');
 
         $path = self::STORAGE_DIR . '/export/will_be_removed.txt';
diff --git a/src/batch/tests/SummaryTest.php b/src/batch/tests/SummaryTest.php
index 333244de..96e5834e 100644
--- a/src/batch/tests/SummaryTest.php
+++ b/src/batch/tests/SummaryTest.php
@@ -68,7 +68,7 @@ public function testGet(): void
 
         self::assertSame('foo', $summary->get('string'));
         self::assertSame([], $summary->get('array'));
-        self::assertSame(true, $summary->get('bool'));
+        self::assertTrue($summary->get('bool'));
         self::assertSame(1, $summary->get('int'));
         self::assertSame(0.999, $summary->get('float'));
     }
diff --git a/src/batch/tests/Test/ArrayContainerTest.php b/src/batch/tests/Test/ArrayContainerTest.php
index acbae1ac..67cdec91 100644
--- a/src/batch/tests/Test/ArrayContainerTest.php
+++ b/src/batch/tests/Test/ArrayContainerTest.php
@@ -30,8 +30,8 @@ public function testHas(): void
     {
         $container = new ArrayContainer(['foo' => 'FOO', 'bar' => 'BAR']);
 
-        self::assertSame(true, $container->has('foo'));
-        self::assertSame(true, $container->has('bar'));
-        self::assertSame(false, $container->has('baz'));
+        self::assertTrue($container->has('foo'));
+        self::assertTrue($container->has('bar'));
+        self::assertFalse($container->has('baz'));
     }
 }
diff --git a/tests/integration/Entity/Badge.php b/tests/integration/Entity/Badge.php
index e6381667..81d9c633 100644
--- a/tests/integration/Entity/Badge.php
+++ b/tests/integration/Entity/Badge.php
@@ -4,28 +4,20 @@
 
 namespace Yokai\Batch\Sources\Tests\Integration\Entity;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 class Badge
 {
-    /**
-     * @var int
-     */
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
-    public $id;
+    public null|int $id = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'string')]
-    public $label;
+    #[ORM\Column(type: Types::STRING)]
+    public null|string $label = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'integer')]
-    public $rank;
+    #[ORM\Column(type: Types::INTEGER)]
+    public null|int $rank = null;
 }
diff --git a/tests/integration/Entity/Developer.php b/tests/integration/Entity/Developer.php
index dfa387a2..ae310053 100644
--- a/tests/integration/Entity/Developer.php
+++ b/tests/integration/Entity/Developer.php
@@ -6,42 +6,34 @@
 
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 class Developer
 {
-    /**
-     * @var int
-     */
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
-    public $id;
+    public null|int $id = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'string')]
-    public $firstName;
+    #[ORM\Column(type: Types::STRING)]
+    public null|string $firstName = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'string')]
-    public $lastName;
+    #[ORM\Column(type: Types::STRING)]
+    public null|string $lastName = null;
 
     /**
-     * @var Collection
+     * @var Collection<int, Badge>
      */
     #[ORM\ManyToMany(targetEntity: Badge::class)]
-    public $badges;
+    public Collection $badges;
 
     /**
-     * @var Collection
+     * @var Collection<int, Repository>
      */
     #[ORM\ManyToMany(targetEntity: Repository::class)]
-    public $repositories;
+    public Collection $repositories;
 
     public function __construct()
     {
diff --git a/tests/integration/Entity/Repository.php b/tests/integration/Entity/Repository.php
index 027c1328..a489e944 100644
--- a/tests/integration/Entity/Repository.php
+++ b/tests/integration/Entity/Repository.php
@@ -4,28 +4,20 @@
 
 namespace Yokai\Batch\Sources\Tests\Integration\Entity;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 
 #[ORM\Entity]
 class Repository
 {
-    /**
-     * @var int
-     */
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue]
-    public $id;
+    public null|int $id = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'string')]
-    public $label;
+    #[ORM\Column(type: Types::STRING)]
+    public null|string $label = null;
 
-    /**
-     * @var string
-     */
-    #[ORM\Column(type: 'string')]
-    public $url;
+    #[ORM\Column(type: Types::STRING)]
+    public null|string $url = null;
 }
diff --git a/tests/integration/ImportDevelopersXlsxToORMTest.php b/tests/integration/ImportDevelopersXlsxToORMTest.php
index e3590eb2..57b0a16d 100644
--- a/tests/integration/ImportDevelopersXlsxToORMTest.php
+++ b/tests/integration/ImportDevelopersXlsxToORMTest.php
@@ -10,13 +10,12 @@
 use Doctrine\ORM\ORMSetup;
 use Doctrine\ORM\Tools\SchemaTool;
 use Doctrine\Persistence\ManagerRegistry;
-use Prophecy\Argument;
-use Prophecy\PhpUnit\ProphecyTrait;
-use Prophecy\Prophecy\ObjectProphecy;
+use PHPUnit\Framework\MockObject\Stub;
 use Yokai\Batch\Bridge\Doctrine\Persistence\ObjectWriter;
 use Yokai\Batch\Bridge\OpenSpout\Reader\FlatFileReader;
 use Yokai\Batch\Bridge\OpenSpout\Reader\HeaderStrategy;
 use Yokai\Batch\Job\Item\ItemJob;
+use Yokai\Batch\Job\Item\Processor\CallbackProcessor;
 use Yokai\Batch\Job\JobInterface;
 use Yokai\Batch\Job\JobWithChildJobs;
 use Yokai\Batch\Job\Parameters\StaticValueParameterAccessor;
@@ -25,37 +24,22 @@
 use Yokai\Batch\Sources\Tests\Integration\Entity\Developer;
 use Yokai\Batch\Sources\Tests\Integration\Entity\Repository;
 use Yokai\Batch\Sources\Tests\Integration\Job\SplitDeveloperXlsxJob;
-use Yokai\Batch\Sources\Tests\Integration\Processor\BadgeProcessor;
-use Yokai\Batch\Sources\Tests\Integration\Processor\DeveloperProcessor;
-use Yokai\Batch\Sources\Tests\Integration\Processor\RepositoryProcessor;
 use Yokai\Batch\Storage\JobExecutionStorageInterface;
 
 class ImportDevelopersXlsxToORMTest extends JobTestCase
 {
-    use ProphecyTrait;
-
     private const OUTPUT_BASE_DIR = self::OUTPUT_DIR . '/multi-tab-xlsx-to-objects';
     private const OUTPUT_BADGE_FILE = self::OUTPUT_BASE_DIR . '/badge.csv';
     private const OUTPUT_REPOSITORY_FILE = self::OUTPUT_BASE_DIR . '/repository.csv';
     private const OUTPUT_DEVELOPER_FILE = self::OUTPUT_BASE_DIR . '/developer.csv';
     private const INPUT_FILE = __DIR__ . '/fixtures/multi-tab-xlsx-to-objects.xslx';
 
-    private $persisted;
-
-    /**
-     * @var EntityManager
-     */
-    private $entityManager;
+    private EntityManager $entityManager;
 
-    /**
-     * @var ManagerRegistry|ObjectProphecy
-     */
-    private $doctrine;
+    private Stub&ManagerRegistry $doctrine;
 
     protected function setUp(): void
     {
-        $this->persisted = [];
-
         $config = ORMSetup::createAttributeMetadataConfiguration([__DIR__ . '/Entity'], true);
         if (\PHP_VERSION_ID >= 80400) {
             $config->enableNativeLazyObjects(true);
@@ -69,8 +53,8 @@ protected function setUp(): void
         (new SchemaTool($this->entityManager))
             ->createSchema($this->entityManager->getMetadataFactory()->getAllMetadata());
 
-        $this->doctrine = $this->prophesize(ManagerRegistry::class);
-        $this->doctrine->getManagerForClass(Argument::any())
+        $this->doctrine = $this->createStub(ManagerRegistry::class);
+        $this->doctrine->method('getManagerForClass')
             ->willReturn($this->entityManager);
     }
 
@@ -82,19 +66,17 @@ protected function getJobName(): string
     protected function createJob(JobExecutionStorageInterface $executionStorage): JobInterface
     {
         $entityManager = $this->entityManager;
-        $objectWriter = new ObjectWriter($this->doctrine->reveal());
+        $objectWriter = new ObjectWriter($this->doctrine);
 
         $inputFile = self::INPUT_FILE;
         $outputBadgeFile = self::OUTPUT_BADGE_FILE;
         $outputRepositoryFile = self::OUTPUT_REPOSITORY_FILE;
         $outputDeveloperFile = self::OUTPUT_DEVELOPER_FILE;
 
-        $csvReader = function (string $file): FlatFileReader {
-            return new FlatFileReader(
-                filePath: new StaticValueParameterAccessor($file),
-                headerStrategy: HeaderStrategy::combine(),
-            );
-        };
+        $csvReader = fn(string $file): FlatFileReader => new FlatFileReader(
+            filePath: new StaticValueParameterAccessor($file),
+            headerStrategy: HeaderStrategy::combine(),
+        );
 
         return new JobWithChildJobs(
             $executionStorage,
@@ -111,21 +93,50 @@ protected function createJob(JobExecutionStorageInterface $executionStorage): Jo
                         'import-badge' => new ItemJob(
                             PHP_INT_MAX,
                             $csvReader(self::OUTPUT_BADGE_FILE),
-                            new BadgeProcessor(),
+                            new CallbackProcessor(function (array $item) {
+                                $badge = new Badge();
+                                $badge->label = $item['label'];
+                                $badge->rank = (int)$item['rank'];
+
+                                return $badge;
+                            }),
                             $objectWriter,
                             $executionStorage,
                         ),
                         'import-repository' => new ItemJob(
                             PHP_INT_MAX,
                             $csvReader(self::OUTPUT_REPOSITORY_FILE),
-                            new RepositoryProcessor(),
+                            new CallbackProcessor(function (array $item) {
+                                $repository = new Repository();
+                                $repository->label = $item['label'];
+                                $repository->url = $item['url'];
+
+                                return $repository;
+                            }),
                             $objectWriter,
                             $executionStorage,
                         ),
                         'import-developer' => new ItemJob(
                             5,
                             $csvReader(self::OUTPUT_DEVELOPER_FILE),
-                            new DeveloperProcessor($entityManager),
+                            new CallbackProcessor(function (array $item) use ($entityManager) {
+                                $badges = $entityManager->getRepository(Badge::class)
+                                    ->findBy(['label' => \str_getcsv((string)$item['badges'], '|', '"', '\\')]);
+                                $repositories = $entityManager->getRepository(Repository::class)
+                                    ->findBy(['label' => \str_getcsv((string)$item['repositories'], '|', '"', '\\')]);
+
+                                $developer = new Developer();
+                                $developer->firstName = $item['firstName'];
+                                $developer->lastName = $item['lastName'];
+                                foreach ($badges as $badge) {
+                                    $developer->badges->add($badge);
+                                }
+                                foreach ($repositories as $repository) {
+                                    $developer->repositories->add($repository);
+                                }
+
+                                return $developer;
+                            }),
                             $objectWriter,
                             $executionStorage,
                         ),
diff --git a/tests/integration/Job/SplitDeveloperXlsxJob.php b/tests/integration/Job/SplitDeveloperXlsxJob.php
index 4b0248e8..7ee48b01 100644
--- a/tests/integration/Job/SplitDeveloperXlsxJob.php
+++ b/tests/integration/Job/SplitDeveloperXlsxJob.php
@@ -12,7 +12,7 @@
 use Yokai\Batch\Job\Parameters\StaticValueParameterAccessor;
 use Yokai\Batch\JobExecution;
 
-final class SplitDeveloperXlsxJob implements JobInterface
+final readonly class SplitDeveloperXlsxJob implements JobInterface
 {
     public function __construct(
         private string $inputFile,
@@ -41,8 +41,8 @@ public function execute(JobExecution $jobExecution): void
             $developerData = ['firstName' => $firstName, 'lastName' => $lastName, 'badges' => [], 'repositories' => []];
             $developerKey = $firstName . '/' . $lastName;
 
-            $badges[$badgeKey] = $badges[$badgeKey] ?? $badgeData;
-            $developers[$developerKey] = $developers[$developerKey] ?? $developerData;
+            $badges[$badgeKey] ??= $badgeData;
+            $developers[$developerKey] ??= $developerData;
             $developers[$developerKey]['badges'][] = $badgeLabel;
         }
 
@@ -54,8 +54,8 @@ public function execute(JobExecution $jobExecution): void
             $developerData = ['firstName' => $firstName, 'lastName' => $lastName, 'badges' => [], 'repositories' => []];
             $developerKey = $firstName . '/' . $lastName;
 
-            $repositories[$repositoryKey] = $repositories[$repositoryKey] ?? $repositoryData;
-            $developers[$developerKey] = $developers[$developerKey] ?? $developerData;
+            $repositories[$repositoryKey] ??= $repositoryData;
+            $developers[$developerKey] ??= $developerData;
             $developers[$developerKey]['repositories'][] = $repositoryUrl;
         }
 
@@ -89,13 +89,7 @@ private function writeToCsv(string $filename, array $data, array $headers): void
     private function sheetToArray(SheetInterface $sheet): array
     {
         return \array_map(
-            function ($row): array {
-                if ($row instanceof Row) {
-                    return $row->toArray();
-                }
-
-                return $row;
-            },
+            fn(Row $row) => $row->toArray(),
             \iterator_to_array(new \LimitIterator($sheet->getRowIterator(), 1), false),
         );
     }
diff --git a/tests/integration/JobTestCase.php b/tests/integration/JobTestCase.php
index bfaaaa60..afccc65e 100644
--- a/tests/integration/JobTestCase.php
+++ b/tests/integration/JobTestCase.php
@@ -28,7 +28,7 @@ abstract class JobTestCase extends TestCase
     protected const STORAGE_DIR = self::ARTIFACTS_DIR . '/storage';
     protected const OUTPUT_DIR = self::ARTIFACTS_DIR . '/output';
 
-    private static $run = false;
+    private static bool $run = false;
 
     public static function setUpBeforeClass(): void
     {
@@ -88,7 +88,7 @@ protected function assertAgainstExecution(
         );
     }
 
-    private function compareExecutions(JobExecution $jobExecution, JobExecution $storedJobExecution)
+    private function compareExecutions(JobExecution $jobExecution, JobExecution $storedJobExecution): void
     {
         self::assertSame($jobExecution->getId(), $storedJobExecution->getId());
         self::assertSame($jobExecution->getJobName(), $storedJobExecution->getJobName());
@@ -123,16 +123,16 @@ private static function storages(): \Iterator
         );
     }
 
-    private static function compareStatuses(BatchStatus $expected, BatchStatus $actual)
+    private static function compareStatuses(BatchStatus $expected, BatchStatus $actual): void
     {
         self::assertSame($expected->getValue(), $actual->getValue());
     }
 
-    private static function compareDates(null|\DateTimeInterface $expected, null|\DateTimeInterface $actual)
+    private static function compareDates(null|\DateTimeInterface $expected, null|\DateTimeInterface $actual): void
     {
         self::assertSame(
-            $expected ? $expected->format(\DateTime::ISO8601) : null,
-            $actual ? $actual->format(\DateTime::ISO8601) : null,
+            $expected?->format(\DateTime::ATOM) ?? null,
+            $actual?->format(\DateTime::ATOM) ?? null,
         );
     }
 
@@ -140,7 +140,7 @@ private static function compareDates(null|\DateTimeInterface $expected, null|\Da
      * @param Failure[] $expected
      * @param Failure[] $actual
      */
-    private static function compareFailures(array $expected, array $actual)
+    private static function compareFailures(array $expected, array $actual): void
     {
         self::assertCount(\count($expected), $actual);
 
@@ -159,7 +159,7 @@ private static function compareFailures(array $expected, array $actual)
      * @param Warning[] $expected
      * @param Warning[] $actual
      */
-    private static function compareWarnings(array $expected, array $actual)
+    private static function compareWarnings(array $expected, array $actual): void
     {
         self::assertCount(\count($expected), $actual);
 
diff --git a/tests/integration/JobWithDummyItemChildrenTest.php b/tests/integration/JobWithDummyItemChildrenTest.php
index b635000f..93deb4ce 100644
--- a/tests/integration/JobWithDummyItemChildrenTest.php
+++ b/tests/integration/JobWithDummyItemChildrenTest.php
@@ -23,14 +23,8 @@ protected function createJob(JobExecutionStorageInterface $executionStorage): Jo
         $output = self::OUTPUT_FILE;
 
         $fileLineWriter = new class($output) implements ItemWriterInterface {
-            /**
-             * @var string
-             */
-            private $file;
-
-            public function __construct(string $file)
+            public function __construct(private readonly string $file)
             {
-                $this->file = $file;
             }
 
             public function write(iterable $items): void
@@ -101,6 +95,6 @@ protected function assertAgainstExecution(
 OUT;
 
         self::assertFileExists($output);
-        self::assertEquals($expected, \file_get_contents($output));
+        self::assertSame($expected, \file_get_contents($output));
     }
 }
diff --git a/tests/integration/Processor/BadgeProcessor.php b/tests/integration/Processor/BadgeProcessor.php
deleted file mode 100644
index 8accee43..00000000
--- a/tests/integration/Processor/BadgeProcessor.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Yokai\Batch\Sources\Tests\Integration\Processor;
-
-use Yokai\Batch\Job\Item\ItemProcessorInterface;
-use Yokai\Batch\Sources\Tests\Integration\Entity\Badge;
-
-final class BadgeProcessor implements ItemProcessorInterface
-{
-    public function process(mixed $item): Badge
-    {
-        $badge = new Badge();
-        $badge->label = $item['label'];
-        $badge->rank = $item['rank'];
-
-        return $badge;
-    }
-}
diff --git a/tests/integration/Processor/DeveloperProcessor.php b/tests/integration/Processor/DeveloperProcessor.php
deleted file mode 100644
index 2c5631c0..00000000
--- a/tests/integration/Processor/DeveloperProcessor.php
+++ /dev/null
@@ -1,43 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Yokai\Batch\Sources\Tests\Integration\Processor;
-
-use Doctrine\ORM\EntityManager;
-use Yokai\Batch\Job\Item\ItemProcessorInterface;
-use Yokai\Batch\Sources\Tests\Integration\Entity\Badge;
-use Yokai\Batch\Sources\Tests\Integration\Entity\Developer;
-use Yokai\Batch\Sources\Tests\Integration\Entity\Repository;
-
-final class DeveloperProcessor implements ItemProcessorInterface
-{
-    private $manager;
-
-    public function __construct(EntityManager $manager)
-    {
-        $this->manager = $manager;
-    }
-
-    public function process(mixed $item): Developer
-    {
-        $badges = $this->manager->getRepository(Badge::class)
-            ->findBy(['label' => \str_getcsv($item['badges'], '|', '"', '\\')])
-        ;
-        $repositories = $this->manager->getRepository(Repository::class)
-            ->findBy(['label' => \str_getcsv($item['repositories'], '|', '"', '\\')])
-        ;
-
-        $developer = new Developer();
-        $developer->firstName = $item['firstName'];
-        $developer->lastName = $item['lastName'];
-        foreach ($badges as $badge) {
-            $developer->badges->add($badge);
-        }
-        foreach ($repositories as $repository) {
-            $developer->repositories->add($repository);
-        }
-
-        return $developer;
-    }
-}
diff --git a/tests/integration/Processor/RepositoryProcessor.php b/tests/integration/Processor/RepositoryProcessor.php
deleted file mode 100644
index d5d81749..00000000
--- a/tests/integration/Processor/RepositoryProcessor.php
+++ /dev/null
@@ -1,20 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Yokai\Batch\Sources\Tests\Integration\Processor;
-
-use Yokai\Batch\Job\Item\ItemProcessorInterface;
-use Yokai\Batch\Sources\Tests\Integration\Entity\Repository;
-
-final class RepositoryProcessor implements ItemProcessorInterface
-{
-    public function process(mixed $item): Repository
-    {
-        $repository = new Repository();
-        $repository->label = $item['label'];
-        $repository->url = $item['url'];
-
-        return $repository;
-    }
-}
diff --git a/tests/symfony/src/Entity/RickAndMorty/Character.php b/tests/symfony/src/Entity/RickAndMorty/Character.php
index fc41af43..51d6d96d 100644
--- a/tests/symfony/src/Entity/RickAndMorty/Character.php
+++ b/tests/symfony/src/Entity/RickAndMorty/Character.php
@@ -6,6 +6,7 @@
 
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -20,35 +21,35 @@
 #[UniqueEntity('name')]
 class Character
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'string', enumType: CharacterStatus::class)]
+    #[ORM\Column(type: Types::STRING, enumType: CharacterStatus::class)]
     #[Assert\NotNull]
-    public null|CharacterStatus $status;
+    public null|CharacterStatus $status = null;
 
-    #[ORM\Column(type: 'string', enumType: CharacterSpecie::class)]
+    #[ORM\Column(type: Types::STRING, enumType: CharacterSpecie::class)]
     #[Assert\NotNull]
-    public null|CharacterSpecie $specie;
+    public null|CharacterSpecie $specie = null;
 
-    #[ORM\Column(type: 'string', enumType: CharacterGender::class)]
+    #[ORM\Column(type: Types::STRING, enumType: CharacterGender::class)]
     #[Assert\NotNull]
-    public null|CharacterGender $gender;
+    public null|CharacterGender $gender = null;
 
-    #[ORM\Column(type: 'string', nullable: true)]
-    public null|string $description;
+    #[ORM\Column(type: Types::STRING, nullable: true)]
+    public null|string $description = null;
 
     #[ORM\ManyToOne(targetEntity: Location::class)]
-    public null|Location $origin;
+    public null|Location $origin = null;
 
     #[ORM\ManyToOne(targetEntity: Location::class)]
-    public null|Location $location;
+    public null|Location $location = null;
 
     /**
      * @var Collection<int, Episode>
diff --git a/tests/symfony/src/Entity/RickAndMorty/Episode.php b/tests/symfony/src/Entity/RickAndMorty/Episode.php
index 80630649..6150a867 100644
--- a/tests/symfony/src/Entity/RickAndMorty/Episode.php
+++ b/tests/symfony/src/Entity/RickAndMorty/Episode.php
@@ -4,6 +4,7 @@
 
 namespace Yokai\Batch\Sources\Tests\Symfony\App\Entity\RickAndMorty;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -18,20 +19,20 @@
 #[UniqueEntity('code')]
 class Episode
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string', unique: true)]
+    #[ORM\Column(type: Types::STRING, unique: true)]
     #[Assert\NotNull]
-    public null|string $code;
+    public null|string $code = null;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'date_immutable')]
+    #[ORM\Column(type: Types::DATE_IMMUTABLE)]
     #[Assert\NotNull]
-    public null|\DateTimeImmutable $date;
+    public null|\DateTimeImmutable $date = null;
 }
diff --git a/tests/symfony/src/Entity/RickAndMorty/Location.php b/tests/symfony/src/Entity/RickAndMorty/Location.php
index ebb7100b..98d89d93 100644
--- a/tests/symfony/src/Entity/RickAndMorty/Location.php
+++ b/tests/symfony/src/Entity/RickAndMorty/Location.php
@@ -4,6 +4,7 @@
 
 namespace Yokai\Batch\Sources\Tests\Symfony\App\Entity\RickAndMorty;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Validator\Constraints as Assert;
 use Yokai\Batch\Sources\Tests\Symfony\App\Job\RickAndMorty\ImportRickAndMortyLocationJob;
@@ -16,19 +17,19 @@
 #[ORM\Table(name: 'rick_and_morty_location')]
 class Location
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'string', enumType: LocationType::class)]
+    #[ORM\Column(type: Types::STRING, enumType: LocationType::class)]
     #[Assert\NotNull]
-    public null|LocationType $type;
+    public null|LocationType $type = null;
 
-    #[ORM\Column(type: 'string', nullable: true)]
-    public null|string $dimension;
+    #[ORM\Column(type: Types::STRING, nullable: true)]
+    public null|string $dimension = null;
 }
diff --git a/tests/symfony/src/Entity/StarWars/Character.php b/tests/symfony/src/Entity/StarWars/Character.php
index ba7fd02a..b8099c6d 100644
--- a/tests/symfony/src/Entity/StarWars/Character.php
+++ b/tests/symfony/src/Entity/StarWars/Character.php
@@ -4,6 +4,7 @@
 
 namespace Yokai\Batch\Sources\Tests\Symfony\App\Entity\StarWars;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -18,25 +19,25 @@
 #[UniqueEntity('name')]
 class Character
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string', unique: true)]
+    #[ORM\Column(type: Types::STRING, unique: true)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'integer', nullable: true)]
-    public null|int $birthYear;
+    #[ORM\Column(type: Types::INTEGER, nullable: true)]
+    public null|int $birthYear = null;
 
-    #[ORM\Column(type: 'string')]
+    #[ORM\Column(type: Types::STRING)]
     #[Assert\NotNull]
-    public null|string $gender;
+    public null|string $gender = null;
 
     #[ORM\ManyToOne(targetEntity: Planet::class)]
-    public null|Planet $homeWorld;
+    public null|Planet $homeWorld = null;
 
     #[ORM\ManyToOne(targetEntity: Specie::class)]
-    public null|Specie $specie;
+    public null|Specie $specie = null;
 }
diff --git a/tests/symfony/src/Entity/StarWars/Planet.php b/tests/symfony/src/Entity/StarWars/Planet.php
index 6db0ab8a..ca13ec29 100644
--- a/tests/symfony/src/Entity/StarWars/Planet.php
+++ b/tests/symfony/src/Entity/StarWars/Planet.php
@@ -4,6 +4,7 @@
 
 namespace Yokai\Batch\Sources\Tests\Symfony\App\Entity\StarWars;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -18,25 +19,25 @@
 #[UniqueEntity('name')]
 class Planet
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string', unique: true)]
+    #[ORM\Column(type: Types::STRING, unique: true)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'integer', nullable: true)]
-    public null|int $rotationPeriod;
+    #[ORM\Column(type: Types::INTEGER, nullable: true)]
+    public null|int $rotationPeriod = null;
 
-    #[ORM\Column(type: 'integer', nullable: true)]
-    public null|int $orbitalPeriod;
+    #[ORM\Column(type: Types::INTEGER, nullable: true)]
+    public null|int $orbitalPeriod = null;
 
-    #[ORM\Column(type: 'integer', nullable: true)]
-    public null|int $population;
+    #[ORM\Column(type: Types::INTEGER, nullable: true)]
+    public null|int $population = null;
 
-    #[ORM\Column(type: 'json')]
+    #[ORM\Column(type: Types::JSON)]
     #[Assert\NotNull]
     public array $terrain;
 }
diff --git a/tests/symfony/src/Entity/StarWars/Specie.php b/tests/symfony/src/Entity/StarWars/Specie.php
index 50acada7..be49af2c 100644
--- a/tests/symfony/src/Entity/StarWars/Specie.php
+++ b/tests/symfony/src/Entity/StarWars/Specie.php
@@ -4,6 +4,7 @@
 
 namespace Yokai\Batch\Sources\Tests\Symfony\App\Entity\StarWars;
 
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Validator\Constraints as Assert;
@@ -18,20 +19,20 @@
 #[UniqueEntity('name')]
 class Specie
 {
-    #[ORM\Column(type: 'integer')]
+    #[ORM\Column(type: Types::INTEGER)]
     #[ORM\Id]
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     public int $id;
 
-    #[ORM\Column(type: 'string', unique: true)]
+    #[ORM\Column(type: Types::STRING, unique: true)]
     #[Assert\NotNull]
-    public null|string $name;
+    public null|string $name = null;
 
-    #[ORM\Column(type: 'string', nullable: true)]
-    public null|string $classification;
+    #[ORM\Column(type: Types::STRING, nullable: true)]
+    public null|string $classification = null;
 
-    #[ORM\Column(type: 'string', nullable: true)]
-    public null|string $language;
+    #[ORM\Column(type: Types::STRING, nullable: true)]
+    public null|string $language = null;
 
     #[ORM\ManyToOne(targetEntity: Planet::class)]
     public Planet $homeWorld;
diff --git a/tests/symfony/src/Job/Country/CountryJob.php b/tests/symfony/src/Job/Country/CountryJob.php
index d5ccdb7d..185d6f90 100644
--- a/tests/symfony/src/Job/Country/CountryJob.php
+++ b/tests/symfony/src/Job/Country/CountryJob.php
@@ -57,7 +57,6 @@ final class CountryJob extends AbstractDecoratedJob implements
     private ItemWriterInterface $writer;
     private array $countries = [];
     private bool $flushed = false;
-    private LoggerInterface $yokaiBatchLogger;
 
     public static function getJobName(): string
     {
@@ -67,7 +66,7 @@ public static function getJobName(): string
     public function __construct(
         JobExecutionStorageInterface $executionStorage,
         KernelInterface $kernel,
-        LoggerInterface $yokaiBatchLogger,
+        private readonly LoggerInterface $yokaiBatchLogger,
     ) {
         $writePath = fn(string $format) => new StaticValueParameterAccessor(
             ARTIFACT_DIR . '/symfony/country/countries.' . $format,
@@ -86,7 +85,6 @@ public function __construct(
             new FlatFileWriter($writePath('csv'), null, null, $headers),
             new JsonLinesWriter($writePath('jsonl')),
         ]);
-        $this->yokaiBatchLogger = $yokaiBatchLogger;
 
         parent::__construct(
             new ItemJob(
diff --git a/tests/symfony/src/Job/Country/CountryJsonFileReader.php b/tests/symfony/src/Job/Country/CountryJsonFileReader.php
index 5b57014f..a41e3f65 100644
--- a/tests/symfony/src/Job/Country/CountryJsonFileReader.php
+++ b/tests/symfony/src/Job/Country/CountryJsonFileReader.php
@@ -13,11 +13,9 @@ final class CountryJsonFileReader implements ItemReaderInterface, JobExecutionAw
 {
     use JobExecutionAwareTrait;
 
-    private JobParameterAccessorInterface $filePath;
-
-    public function __construct(JobParameterAccessorInterface $filePath)
-    {
-        $this->filePath = $filePath;
+    public function __construct(
+        private JobParameterAccessorInterface $filePath,
+    ) {
     }
 
     public function read(): iterable
diff --git a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyCharacterJob.php b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyCharacterJob.php
index 3d4838e5..8021e3a8 100644
--- a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyCharacterJob.php
+++ b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyCharacterJob.php
@@ -17,7 +17,7 @@
 /**
  * Rick and Morty {@see Character} entity import.
  */
-final class ImportRickAndMortyCharacterJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportRickAndMortyCharacterJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -25,7 +25,7 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportRickAndMortyJobFactory $factory,
+        private ImportRickAndMortyJobFactory $factory,
     ) {
     }
 
diff --git a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyEpisodeJob.php b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyEpisodeJob.php
index 3693710a..59fdfbe3 100644
--- a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyEpisodeJob.php
+++ b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyEpisodeJob.php
@@ -12,7 +12,7 @@
 /**
  * Rick and Morty {@see Episode} entity import.
  */
-final class ImportRickAndMortyEpisodeJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportRickAndMortyEpisodeJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -20,8 +20,8 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportRickAndMortyJobFactory $factory,
-        private readonly ImportRickAndMortyMemory $memory,
+        private ImportRickAndMortyJobFactory $factory,
+        private ImportRickAndMortyMemory $memory,
     ) {
     }
 
diff --git a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyJobFactory.php b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyJobFactory.php
index 5188c574..6400520a 100644
--- a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyJobFactory.php
+++ b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyJobFactory.php
@@ -18,7 +18,7 @@
 use Yokai\Batch\Job\JobInterface;
 use Yokai\Batch\Storage\JobExecutionStorageInterface;
 
-final class ImportRickAndMortyJobFactory
+final readonly class ImportRickAndMortyJobFactory
 {
     public function __construct(
         private ValidatorInterface $validator,
@@ -44,9 +44,7 @@ public function create(string $api, array $mocks, Closure $process): JobInterfac
                 new ArrayMapProcessor(
                     fn(mixed $value) => $value === '' ? null : $value,
                 ),
-                new CallbackProcessor(function (mixed $item) use ($process) {
-                    return $process($item, $this->memory);
-                }),
+                new CallbackProcessor(fn(mixed $item) => $process($item, $this->memory)),
                 new SkipInvalidItemProcessor($this->validator),
             ]),
             new ObjectWriter($this->doctrine),
diff --git a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyLocationJob.php b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyLocationJob.php
index f3e72955..39da9f51 100644
--- a/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyLocationJob.php
+++ b/tests/symfony/src/Job/RickAndMorty/ImportRickAndMortyLocationJob.php
@@ -14,7 +14,7 @@
 /**
  * Rick and Morty {@see Episode} entity import.
  */
-final class ImportRickAndMortyLocationJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportRickAndMortyLocationJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -22,8 +22,8 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportRickAndMortyJobFactory $factory,
-        private readonly ImportRickAndMortyMemory $memory,
+        private ImportRickAndMortyJobFactory $factory,
+        private ImportRickAndMortyMemory $memory,
     ) {
     }
 
diff --git a/tests/symfony/src/Job/RickAndMorty/RickAndMortyApiReader.php b/tests/symfony/src/Job/RickAndMorty/RickAndMortyApiReader.php
index 96620903..202eac5d 100644
--- a/tests/symfony/src/Job/RickAndMorty/RickAndMortyApiReader.php
+++ b/tests/symfony/src/Job/RickAndMorty/RickAndMortyApiReader.php
@@ -7,7 +7,7 @@
 use Symfony\Contracts\HttpClient\HttpClientInterface;
 use Yokai\Batch\Job\Item\ItemReaderInterface;
 
-final class RickAndMortyApiReader implements ItemReaderInterface
+final readonly class RickAndMortyApiReader implements ItemReaderInterface
 {
     public function __construct(
         private HttpClientInterface $httpClient,
diff --git a/tests/symfony/src/Job/StarWars/ImportStarWarsCharacterJob.php b/tests/symfony/src/Job/StarWars/ImportStarWarsCharacterJob.php
index 59a4494b..8d06717b 100644
--- a/tests/symfony/src/Job/StarWars/ImportStarWarsCharacterJob.php
+++ b/tests/symfony/src/Job/StarWars/ImportStarWarsCharacterJob.php
@@ -15,7 +15,7 @@
 /**
  * Star Wars {@see Character} entity import.
  */
-final class ImportStarWarsCharacterJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportStarWarsCharacterJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -23,7 +23,7 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportStarWarsJobFactory $factory,
+        private ImportStarWarsJobFactory $factory,
     ) {
     }
 
diff --git a/tests/symfony/src/Job/StarWars/ImportStarWarsJobFactory.php b/tests/symfony/src/Job/StarWars/ImportStarWarsJobFactory.php
index 0ab16867..9cc31312 100644
--- a/tests/symfony/src/Job/StarWars/ImportStarWarsJobFactory.php
+++ b/tests/symfony/src/Job/StarWars/ImportStarWarsJobFactory.php
@@ -20,7 +20,7 @@
 use Yokai\Batch\Job\Parameters\StaticValueParameterAccessor;
 use Yokai\Batch\Storage\JobExecutionStorageInterface;
 
-final class ImportStarWarsJobFactory
+final readonly class ImportStarWarsJobFactory
 {
     public function __construct(
         private ValidatorInterface $validator,
@@ -44,9 +44,7 @@ public function create(string $file, Closure $process): JobInterface
                 new ArrayMapProcessor(
                     fn(string $value) => $value === 'NA' ? null : $value,
                 ),
-                new CallbackProcessor(function (mixed $item) use ($process) {
-                    return $process($item, $this->objectRegistry);
-                }),
+                new CallbackProcessor(fn(mixed $item) => $process($item, $this->objectRegistry)),
                 new SkipInvalidItemProcessor($this->validator),
             ]),
             new ObjectWriter($this->doctrine),
diff --git a/tests/symfony/src/Job/StarWars/ImportStarWarsPlanetJob.php b/tests/symfony/src/Job/StarWars/ImportStarWarsPlanetJob.php
index 6b00da70..ca208778 100644
--- a/tests/symfony/src/Job/StarWars/ImportStarWarsPlanetJob.php
+++ b/tests/symfony/src/Job/StarWars/ImportStarWarsPlanetJob.php
@@ -12,7 +12,7 @@
 /**
  * Star Wars {@see Planet} entity import.
  */
-final class ImportStarWarsPlanetJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportStarWarsPlanetJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -20,7 +20,7 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportStarWarsJobFactory $factory,
+        private ImportStarWarsJobFactory $factory,
     ) {
     }
 
diff --git a/tests/symfony/src/Job/StarWars/ImportStarWarsSpecieJob.php b/tests/symfony/src/Job/StarWars/ImportStarWarsSpecieJob.php
index 6de377af..e6fd37ca 100644
--- a/tests/symfony/src/Job/StarWars/ImportStarWarsSpecieJob.php
+++ b/tests/symfony/src/Job/StarWars/ImportStarWarsSpecieJob.php
@@ -14,7 +14,7 @@
 /**
  * Star Wars {@see Specie} entity import.
  */
-final class ImportStarWarsSpecieJob implements JobInterface, JobWithStaticNameInterface
+final readonly class ImportStarWarsSpecieJob implements JobInterface, JobWithStaticNameInterface
 {
     public static function getJobName(): string
     {
@@ -22,7 +22,7 @@ public static function getJobName(): string
     }
 
     public function __construct(
-        private readonly ImportStarWarsJobFactory $factory,
+        private ImportStarWarsJobFactory $factory,
     ) {
     }
 
diff --git a/tests/symfony/src/Kernel.php b/tests/symfony/src/Kernel.php
index 004980c9..c55d710d 100644
--- a/tests/symfony/src/Kernel.php
+++ b/tests/symfony/src/Kernel.php
@@ -17,6 +17,7 @@
 use Symfony\Component\HttpKernel\Kernel as BaseKernel;
 use Symfony\Component\HttpKernel\Log\Logger;
 use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Yokai\Batch\Bridge\Doctrine\Persistence\ObjectRegistry;
 use Yokai\Batch\Bridge\Symfony\Framework\YokaiBatchBundle;
 use Yokai\Batch\Job\JobInterface;
@@ -65,7 +66,7 @@ protected function configureContainer(ContainerConfigurator $container): void
         ]);
         $container->extension('security', [
             'password_hashers' => [
-                'Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface' => 'auto',
+                PasswordAuthenticatedUserInterface::class => 'auto',
             ],
             'providers' => [
                 'users_in_memory' => ['memory' => null],
diff --git a/tests/symfony/tests/UserInterfaceTest.php b/tests/symfony/tests/UserInterfaceTest.php
index 6396b9fc..5d9a6afc 100644
--- a/tests/symfony/tests/UserInterfaceTest.php
+++ b/tests/symfony/tests/UserInterfaceTest.php
@@ -87,7 +87,7 @@ public function testView(string $job, \Closure $expected): void
         $expected($page);
     }
 
-    public static function view()
+    public static function view(): \Generator
     {
         yield [
             CountryJob::getJobName(),
@@ -126,7 +126,7 @@ public function testLogs(string $job, \Closure $expected): void
         $expected($http->getResponse()->getContent());
     }
 
-    public static function logs()
+    public static function logs(): \Generator
     {
         yield [
             CountryJob::getJobName(),