diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 852cac7..f4f77c6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Setup
         uses: actions/setup-java@v3
         with: