diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 730a9e3..4633eff 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -16,6 +16,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
 
     - name: Create Build Environment
       # Some projects don't allow in-source building, so create a separate build directory