diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ccd3733..364a7c7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
         java: [ 8, 11, 17, 19 ]
     name: Java ${{ matrix.java }} test.
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup java
         uses: actions/setup-java@v3
         with: