diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fd13b0b..d883a4a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Set up Go
         uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
         with:
@@ -40,7 +40,7 @@ jobs:
           - { goos: android, goarch: arm64 }
     steps:
       - name: Checkout source code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Set up Go
         uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
         with:
@@ -53,7 +53,7 @@ jobs:
     needs: [lint-test]
     steps:
       - name: Checkout source code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Set up Go
         uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6
         with:
diff --git a/.github/workflows/deploy_website.yml b/.github/workflows/deploy_website.yml
index 99d4d7e..7a6fbc8 100644
--- a/.github/workflows/deploy_website.yml
+++ b/.github/workflows/deploy_website.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@ee69d230fe19748b7abf22df32acaa93833fad08 # v2
         with:
diff --git a/.github/workflows/docker_publish.yml b/.github/workflows/docker_publish.yml
index 4a05068..e7433ff 100644
--- a/.github/workflows/docker_publish.yml
+++ b/.github/workflows/docker_publish.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Log in to Docker Hub
         uses: docker/login-action@5e57cd118135c172c3672efd75eb46360885c0ef # v3
         with:
diff --git a/.github/workflows/label_sync.yml b/.github/workflows/label_sync.yml
index e9b2b0f..a76e3dc 100644
--- a/.github/workflows/label_sync.yml
+++ b/.github/workflows/label_sync.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6
       - name: Sync Labels
         uses: EndBug/label-sync@52074158190acb45f3077f9099fea818aa43f97a # v2
         with: