diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f7ab0eb..ce61b4c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,6 +19,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: recursive
 
     - name: Install MSBuild
       uses: microsoft/setup-msbuild@v1.0.2