diff --git a/.github/workflows/auto-pyproject-update.yml b/.github/workflows/auto-pyproject-update.yml
index 96e300f..df50b2f 100644
--- a/.github/workflows/auto-pyproject-update.yml
+++ b/.github/workflows/auto-pyproject-update.yml
@@ -12,7 +12,7 @@ jobs:
   bump:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/auto-upgrade-pyproject.yml b/.github/workflows/auto-upgrade-pyproject.yml
index b0bcc22..c04dd25 100644
--- a/.github/workflows/auto-upgrade-pyproject.yml
+++ b/.github/workflows/auto-upgrade-pyproject.yml
@@ -14,7 +14,7 @@ jobs:
   upgrade:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/code-coverage.yml b/.github/workflows/code-coverage.yml
index 91a0ba5..4c0a642 100644
--- a/.github/workflows/code-coverage.yml
+++ b/.github/workflows/code-coverage.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/dependency-scanning.yml b/.github/workflows/dependency-scanning.yml
index 57f62d7..d7a778c 100644
--- a/.github/workflows/dependency-scanning.yml
+++ b/.github/workflows/dependency-scanning.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index f1ad68e..d35bd00 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -9,7 +9,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Set up Python
diff --git a/.github/workflows/docstring-coverage.yml b/.github/workflows/docstring-coverage.yml
index da1cea9..4db384b 100644
--- a/.github/workflows/docstring-coverage.yml
+++ b/.github/workflows/docstring-coverage.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/docstrings-coverage.yml b/.github/workflows/docstrings-coverage.yml
index da1cea9..4db384b 100644
--- a/.github/workflows/docstrings-coverage.yml
+++ b/.github/workflows/docstrings-coverage.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/import-check.yml b/.github/workflows/import-check.yml
index ab6c655..300f418 100644
--- a/.github/workflows/import-check.yml
+++ b/.github/workflows/import-check.yml
@@ -17,7 +17,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fcb3929..d76915a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       id-token: write  # For PyPI trusted publishing
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0  # Fetch all history for proper changelog generation
 
diff --git a/.github/workflows/security-scan.yml b/.github/workflows/security-scan.yml
index 7052b73..a470bdf 100644
--- a/.github/workflows/security-scan.yml
+++ b/.github/workflows/security-scan.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Run Trivy vulnerability scanner
         uses: aquasecurity/trivy-action@master
diff --git a/.github/workflows/style-check.yml b/.github/workflows/style-check.yml
index 5bef778..0c254ed 100644
--- a/.github/workflows/style-check.yml
+++ b/.github/workflows/style-check.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 159b5b8..e015c70 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ 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