diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 911819d02..a9e9a768b 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ruby
diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index c192693e2..f41b6d0ff 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -31,7 +31,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/sync-ruby.yml b/.github/workflows/sync-ruby.yml
index 29c434491..78e94eb9e 100644
--- a/.github/workflows/sync-ruby.yml
+++ b/.github/workflows/sync-ruby.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ github.repository_owner == 'ruby' }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create GitHub App token
         id: app-token
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8ab4b130e..bb232df57 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps: &test-steps
       - name: repo checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: load ruby
         uses: ruby/setup-ruby@v1
@@ -120,7 +120,7 @@ jobs:
           - { openssl: aws-lc-latest, skip-warnings: true }
     steps:
       - name: repo checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - id: cache-openssl
         uses: actions/cache@v4