diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index bdacc765f..469d4a213 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,6 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
       with:
+        submodules: true
         fetch-depth: 1
         
     - name: Setup environment