diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 84e05e0..ef75749 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -23,6 +23,8 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - uses: actions/checkout@v2
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v2
         with: