diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6759ab6..d9c3301 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,6 +8,8 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4.1.1
+        with:
+          submodules: true
       - uses: actions/setup-python@v5.0.0
         with:
           python-version: "3.11"