diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b6ca17..e1713e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       RUBOCOP_CACHE_ROOT: tmp/rubocop
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -48,7 +48,7 @@ jobs:
       RAILS_ENV: test
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby ${{ matrix.ruby }}
         uses: ruby/setup-ruby@v1
@@ -75,7 +75,7 @@ jobs:
       id-token: write  # required for Trusted Publishing
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1