diff --git a/.github/workflows/server.yml b/.github/workflows/server.yml
index 30fd02c..d2744e0 100644
--- a/.github/workflows/server.yml
+++ b/.github/workflows/server.yml
@@ -8,7 +8,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.3.0
 
       - name: Test with server-configs-test
         uses: h5bp/server-configs-test@3.1.3