diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index e263e128c..830ce886d 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2.3.4
 
     - name: Restore dependency cache
       uses: actions/cache@v2.1.3