diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
index 6e7f7bd..4462fe9 100644
--- a/.github/workflows/docs.yaml
+++ b/.github/workflows/docs.yaml
@@ -16,6 +16,8 @@ jobs:
       id-token: write
     steps:
     - uses: actions/checkout@v3
+      with:
+        submodules: true
 
     # Install dependencies
     - name: Set up Python 3.11