diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bea3176..3f114ca 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 2
       - name: Prepare