diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e47c051..6f0c97f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - name: Checkout [${{ github.repository }}]
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Set up Ruby ${{ matrix.ruby-version }}
       uses: ruby/setup-ruby@v1