diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e0e2cc8..b2be489 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
         go-version: ${{ matrix.go }}
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2.3.4
 
     - name: Download dependencies
       run: go mod download