diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 56d148e8..8106d579 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           context: .
-          submodules: true 
+          submodules: recursive
           fetch-depth: 0
       - name: Set up Python
         uses: actions/setup-python@v2.2.1