diff --git a/.github/workflows/check-docker-image.yml b/.github/workflows/check-docker-image.yml
index b11cc8f..880063f 100644
--- a/.github/workflows/check-docker-image.yml
+++ b/.github/workflows/check-docker-image.yml
@@ -15,7 +15,7 @@ jobs:
                 os: [ubuntu-latest]
         steps:
         - name: Checkout Repository 
-          uses: actions/checkout@v4
+          uses: actions/checkout@v6
         - name: Setup Docker
           if: runner.os == 'macos'
           run: |
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 5c6a425..70347eb 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         node-version: [18.x, 20.x, 22.x]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - uses: pnpm/action-setup@v4
diff --git a/action.yml b/action.yml
index 2b6ce3e..8209f6b 100644
--- a/action.yml
+++ b/action.yml
@@ -30,7 +30,7 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         repository: 'polly3d/mockai'
         path: 'mockai'