diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index e58db43..d6db1ca 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -17,6 +17,8 @@ jobs:
         fri_version: [1.11, 1.14, 1.15, 1.16, 2.5, 2.7]
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: recursive
       - name: Set up Python
         uses: actions/setup-python@v5
         with: