diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 6b22d87..b52bc86 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2.3.1
 
       - name: Build and push Docker images
         uses: docker/build-push-action@v1.1.0
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 9c2b9f1..f0b9f72 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -12,7 +12,7 @@ jobs:
           go-version: 1.14.x
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.1
 
       - name: Cache go module
         uses: actions/cache@v2