diff --git a/.github/workflows/photon-api-docs.yml b/.github/workflows/photon-api-docs.yml
index 308fdec0e..21b810021 100644
--- a/.github/workflows/photon-api-docs.yml
+++ b/.github/workflows/photon-api-docs.yml
@@ -82,7 +82,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install mkdocs mkdocs-material
+          pip install mkdocs mkdocs-material mkdocstrings[python]
 
       - name: Build MkDocs site
         run: mkdocs build --clean