diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 09412f1..601c8f9 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -6,7 +6,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - using: 'node20'
       name: checkout code
 
     - name: install clang latest