diff --git a/.github/workflows/sphinx-to-github-pages.yml b/.github/workflows/sphinx-to-github-pages.yml
index 18c79be..6dd45b5 100644
--- a/.github/workflows/sphinx-to-github-pages.yml
+++ b/.github/workflows/sphinx-to-github-pages.yml
@@ -17,5 +17,18 @@ jobs:
       pages: write
       id-token: write
     steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.10'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install -r docs/requirements.txt
+
     - id: deployment
       uses: sphinx-notes/pages@v3
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 4de04e4..4a7651e 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,5 @@
 -e .
+sphinx>=4.0
 numpydoc
 m2r2
 sphinxcontrib.mermaid