diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 25bfa7f..c8dc6b4 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
         with:
           ref: ${{github.head_ref}}