diff --git a/.github/workflows/publish_to_docker.yml b/.github/workflows/publish_to_docker.yml
index 92a8bf5db..d724f7253 100644
--- a/.github/workflows/publish_to_docker.yml
+++ b/.github/workflows/publish_to_docker.yml
@@ -10,6 +10,7 @@ jobs:
     name: Publishing to dockerhub
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v1
       - name: Publish to Registry
         uses: elgohr/Publish-Docker-Github-Action@master
         with: