diff --git a/.github/workflows/documentation-build.yml b/.github/workflows/documentation-build.yml
index 0e4e37e64..9837ce164 100644
--- a/.github/workflows/documentation-build.yml
+++ b/.github/workflows/documentation-build.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v6
         with:
-          submodules: true
+          submodules: recursive
 
       - name: Install Graphviz
         run: |