diff --git a/.github/workflows/check-build.yml b/.github/workflows/check-build.yml
index 2648ae4..f6140f3 100644
--- a/.github/workflows/check-build.yml
+++ b/.github/workflows/check-build.yml
@@ -8,7 +8,7 @@ jobs:
     name: twinecheck
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/check-manifest.yml b/.github/workflows/check-manifest.yml
index a04b23b..e752dba 100644
--- a/.github/workflows/check-manifest.yml
+++ b/.github/workflows/check-manifest.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout Source
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/create-release.yml b/.github/workflows/create-release.yml
index 424d5f0..2545d21 100644
--- a/.github/workflows/create-release.yml
+++ b/.github/workflows/create-release.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Create Release
         id: create_release
         uses: actions/create-release@v1
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 8400bd9..0650da7 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     if: startsWith(github.ref, 'refs/tags')
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python 3.10
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/run-pytest-tests.yml b/.github/workflows/run-pytest-tests.yml
index a9bd533..984ecaa 100644
--- a/.github/workflows/run-pytest-tests.yml
+++ b/.github/workflows/run-pytest-tests.yml
@@ -14,7 +14,7 @@ jobs:
         python-version: ['3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
diff --git a/.github/workflows/type-check.yml b/.github/workflows/type-check.yml
index c622b1f..72a670b 100644
--- a/.github/workflows/type-check.yml
+++ b/.github/workflows/type-check.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Set up Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/weekly-test.yml b/.github/workflows/weekly-test.yml
index ca3ce6a..e39682b 100644
--- a/.github/workflows/weekly-test.yml
+++ b/.github/workflows/weekly-test.yml
@@ -15,7 +15,7 @@ jobs:
         python-version: ['3.10']
 
     steps:
-        - uses: actions/checkout@v4
+        - uses: actions/checkout@v5
         - name: Set up Python ${{ matrix.python-version }}
           uses: actions/setup-python@v5
           with: