diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1675d08..ff108be 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: build Docker file
         uses: docker/build-push-action@v6
         with:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b667724..ce067bc 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -29,7 +29,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: build Docker file
         uses: docker/build-push-action@v6