diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5a0480e..caac32e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     if: github.event_name == 'pull_request' || github.ref == 'refs/heads/main'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -27,7 +27,7 @@ jobs:
     if: github.event_name == 'pull_request' || github.ref == 'refs/heads/main'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -44,7 +44,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3
@@ -78,7 +78,7 @@ jobs:
   #       run: sudo apt-get update && sudo apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config
 
   #     - name: Checkout code
-  #       uses: actions/checkout@v4
+  #       uses: actions/checkout@v6
 
   #     - name: Set up Ruby
   #       uses: ruby/setup-ruby@v1