diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cfe20c3..b5f1a50 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,7 +34,7 @@ jobs:
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile}}
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}