diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 02d8e9b9..d7530454 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -28,6 +28,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+        with:
+          submodules: 'recursive'
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
         with: