diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0841702..71a0174 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
     name: ${{ matrix.ruby-version}} on ${{ matrix.runs-on }}
     runs-on: ${{ matrix.runs-on }}
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby-version }}