diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3b1c917..853437a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: 'true'
 
     # Substitute the Manifest and Download URLs in the module.json
     - name: Substitute Manifest and Download Links For Versioned Ones