diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a645e92..18f8424 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         python-version: ["3.13"]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
@@ -61,7 +61,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -98,7 +98,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index d9462de..b9a61aa 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 360c516..e578313 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -21,7 +21,7 @@ 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/security.yml b/.github/workflows/security.yml
index 6944031..8d0b70c 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -22,7 +22,7 @@ jobs:
       matrix:
         language: ['python']
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -56,7 +56,7 @@ jobs:
       security-events: write
       contents: read
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python
         uses: actions/setup-python@v5