diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index f7076be..192565e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 657321b..d580095 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -16,14 +16,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
       - run: |
           cp -f README.md ${{ runner.temp }}/README.md
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: gh-pages
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d7c8525..c0c26be 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 5a74128..e0be9b4 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install node
         uses: actions/setup-node@v6.0.0