diff --git a/.github/workflows/docker-publish-master.yml b/.github/workflows/docker-publish-master.yml
index 6caf95a7c..dad227b09 100644
--- a/.github/workflows/docker-publish-master.yml
+++ b/.github/workflows/docker-publish-master.yml
@@ -13,6 +13,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v1