diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index a7c4d36..11d7fd1 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -17,6 +17,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.18.1