diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 3d5b4eec0..3b9c1b59f 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -33,7 +33,7 @@ jobs:
 #          - java: 18-ea
 #            experimental: true        
     steps:
-    - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab
+    - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
       with:
         persist-credentials: false
     - uses: actions/cache@v3.3.1