diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 3d1a627..d9c50d4 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -11,17 +11,22 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
+        with:
+          python-version: '3.13'
       - uses: r-lib/actions/setup-pandoc@v2
         with:
           pandoc-version: '3.1.11' # The pandoc version to download (if necessary) and use.
       - run: echo "# Test" | pandoc -t html
       - name: Install dependencies
         run: |
-          pip install poetry
-          poetry install --with dev
+          mkdir poetry
+          python -m venv ./poetry
+          ./poetry/bin/python -m pip install --upgrade pip
+          ./poetry/bin/pip install poetry==2.2.1
+          ./poetry/bin/poetry install --with dev
       - name: Sphinx build
         run: |
-          poetry run sphinx-build docs _build
+          ./poetry/bin/poetry run sphinx-build docs _build
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}