diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0f137fa..37555bf 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -21,5 +21,5 @@ jobs:
   yamllint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - run: yamllint -f github .
diff --git a/.github/workflows/pytest.yaml b/.github/workflows/pytest.yaml
index 5ffdf16..436b76c 100644
--- a/.github/workflows/pytest.yaml
+++ b/.github/workflows/pytest.yaml
@@ -36,7 +36,7 @@ jobs:
     outputs:
       strategy: ${{ steps.load.outputs.strategy }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: ${{ inputs.setup-repository }}
       - id: load
@@ -50,13 +50,13 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: ${{ inputs.repository }}
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: ${{ inputs.setup-repository }}
           path: ./.github-ci-action-repo