diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1f6cc3..ffd9c52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
           - '3.2'
           - '3.3'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby_version }}