diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index 368a0806..e7204fbf 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/push_gem.yml b/.github/workflows/push_gem.yml
index 3d4d8804..7bb02b56 100644
--- a/.github/workflows/push_gem.yml
+++ b/.github/workflows/push_gem.yml
@@ -14,7 +14,7 @@ jobs:
       - uses: rubygems/configure-rubygems-credentials@main
         with:
           role-to-assume: ${{ secrets.RUBYGEMS_PUSH_ROLE }}
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set remote URL
         run: |
           # Attribute commits to the last committer on HEAD
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2625e8ca..8d393b6f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -62,7 +62,7 @@ jobs:
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -89,7 +89,7 @@ jobs:
     needs: test
     if: success()
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download coverage reports from the test job
         uses: actions/download-artifact@v4
@@ -104,7 +104,7 @@ jobs:
     timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: