diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml
index 27e46789..9fff3b02 100644
--- a/.github/workflows/test-docker.yml
+++ b/.github/workflows/test-docker.yml
@@ -8,6 +8,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'
       name: Checkout
      
     - name: Build and Test