diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index a8430946..f9b70746 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -12,12 +12,19 @@ jobs:
         uses: actions/checkout@v4
       - name: Delete tests and FMM duplicates
         run: rm -r test/ src/FMM/
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.9'
+          cache: 'pip' # caching pip dependencies
       - name: Install sphinx
         run: |
           python3 -m venv .venv
           source .venv/bin/activate
-          git clone https://github.com/sphinx-contrib/matlabdomain.git ../matlabdomain
+          git clone https://github.com/thorstone25/matlabdomain.git ../matlabdomain
           pip install -e ../matlabdomain
+          git clone https://github.com/DeveloperRSquared/case-insensitive-dict.git ../case-insensitive-dict
+          pip install -e ../case-insensitive-dict
       - name: Set up MATLAB
         uses: matlab-actions/setup-matlab@v2
         with: