diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index dd9f075..b55baae 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -10,7 +10,7 @@ jobs:
   CodeQL-Build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 9fe7f7e..58bbe62 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,5 +12,5 @@ jobs:
   dependency-review:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/label-commenter.yml b/.github/workflows/label-commenter.yml
index 4043842..b297e34 100644
--- a/.github/workflows/label-commenter.yml
+++ b/.github/workflows/label-commenter.yml
@@ -19,7 +19,7 @@ jobs:
   comment:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Label Commenter
         uses: peaceiris/actions-label-commenter@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 854042b..5e563f2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
   release:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       # https://github.com/peaceiris/workflows/blob/main/create-release-npm/action.yml
       - uses: peaceiris/workflows/create-release-npm@v0.21.6
         env:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b69a750..f0a2ccb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/update-major-tag.yml b/.github/workflows/update-major-tag.yml
index 475d055..65d7e96 100644
--- a/.github/workflows/update-major-tag.yml
+++ b/.github/workflows/update-major-tag.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     timeout-minutes: 1
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Update major tag
         run: |