diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index d718cca..7e8e0ba 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -12,7 +12,9 @@ jobs:
         os: [ubuntu-20.04, macos-11]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.12.0