diff --git a/.github/workflows/legacy.yml b/.github/workflows/legacy.yml
index 382b16b..67f2952 100644
--- a/.github/workflows/legacy.yml
+++ b/.github/workflows/legacy.yml
@@ -47,7 +47,7 @@ jobs:
     continue-on-error: ${{ matrix.experimental || endsWith(matrix.ruby, 'head') }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Ruby & Bundle
         uses: ruby/setup-ruby@v1
         with: