diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 34cdb4a..7d24df8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ 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
@@ -41,7 +41,7 @@ jobs:
       RUBY_VERSION: 3.2.0
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1