diff --git a/.github/workflows/documentation_test.yml b/.github/workflows/documentation_test.yml
index f72fc075..4ffb725e 100644
--- a/.github/workflows/documentation_test.yml
+++ b/.github/workflows/documentation_test.yml
@@ -33,7 +33,7 @@ jobs:
         run: |
           cd lightrag
           poetry config virtualenvs.create false  # Avoid creating a virtual environment
-          poetry install   # Install only the package dependencies as specified in lightrag/pyproject.toml
+          poetry install --all-extras  # Install all optional dependencies
           cd ..  # Change back to the root directory
 
       - name: Install documentation dependencies using Poetry