diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d9d8939..c198daf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -38,6 +38,8 @@ jobs:
     steps:
       - name: Check out repo
         uses: actions/checkout@v2
+        with:
+          submodules: recursive
 
       - name: Log into ghcr.io
         uses: docker/login-action@v1