diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dbcdf37..4479120 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index d9f8eb0..3cc2d33 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1