diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 2de21ad..15f07bb 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -18,7 +18,7 @@ jobs:
     name: "Build Docker images"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/gitleaks.yml b/.github/workflows/gitleaks.yml
index 92959e8..98ae483 100644
--- a/.github/workflows/gitleaks.yml
+++ b/.github/workflows/gitleaks.yml
@@ -21,7 +21,7 @@ jobs:
     name: gitleaks
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
         with:
           fetch-depth: 0
       - uses: gitleaks/gitleaks-action@bf2dc8e55639c1e091e9b45970152e4313705814
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index e76dfbf..7f05e45 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Set up Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index c04e9fa..ad996a7 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
 
       - name: Install yamllint
         run: pip install yamllint