diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 67c664be5..bd0c5b98f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,10 +42,6 @@ jobs:
           php-version: "${{ matrix.php-version }}"
           ini-values: error_reporting=-1, display_errors=On, zend.assertions=1
 
-      - name: "Reset composer platform"
-        if: matrix.php-version == '7.4'
-        run: "composer config --unset platform"
-
       - name: "Install dependencies"
         uses: "ramsey/composer-install@v3"
         with:
@@ -155,10 +151,6 @@ jobs:
           extensions: mbstring
           ini-values: error_reporting=-1, display_errors=On, zend.assertions=1
 
-      - name: "Reset composer platform"
-        if: matrix.php-version == '7.4' || matrix.php-version == '8.0'
-        run: "composer config --unset platform"
-
       - name: "Install dependencies"
         uses: "ramsey/composer-install@v3"
         with:
diff --git a/composer.json b/composer.json
index 784d13678..ca77f880d 100644
--- a/composer.json
+++ b/composer.json
@@ -8,9 +8,6 @@
 	"prefer-stable": true,
 	"config": {
 		"bin-dir": "bin",
-		"platform": {
-			"php": "8.1.0"
-		},
 		"allow-plugins": {
 			"dealerdirect/phpcodesniffer-composer-installer": true
 		}
@@ -24,11 +21,11 @@
 	"require-dev": {
 		"phing/phing": "3.0.1",
 		"php-parallel-lint/php-parallel-lint": "1.4.0",
-		"phpstan/phpstan": "2.1.2",
+		"phpstan/phpstan": "2.1.3",
 		"phpstan/phpstan-deprecation-rules": "2.0.1",
 		"phpstan/phpstan-phpunit": "2.0.4",
 		"phpstan/phpstan-strict-rules": "2.0.3",
-		"phpunit/phpunit": "9.6.8|10.5.44|11.4.3|11.5.6"
+		"phpunit/phpunit": "9.6.8|10.5.45|11.4.4|11.5.6|12.0.2"
 	},
 	"autoload": {
 		"psr-4": {