diff --git a/.github/workflows/cibuild.yaml b/.github/workflows/cibuild.yaml
index d916f63..388c49d 100644
--- a/.github/workflows/cibuild.yaml
+++ b/.github/workflows/cibuild.yaml
@@ -13,7 +13,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ruby/setup-ruby@d354de180d0c9e813cfddfcbdc079945d4be589b # v1.275.0
         with:
           ruby-version: ${{ matrix.ruby }}
diff --git a/.github/workflows/pages-gem.yml b/.github/workflows/pages-gem.yml
index 06a52e7..fdca3ea 100644
--- a/.github/workflows/pages-gem.yml
+++ b/.github/workflows/pages-gem.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Ruby
         uses: ruby/setup-ruby@d354de180d0c9e813cfddfcbdc079945d4be589b # v1.275.0
         with: