diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b165275..2a144f5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2.3.4
     - name: Setup Scala
       uses: olafurpg/setup-scala@v10
       with: