diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7242f91..fdbce74 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,6 +15,6 @@ jobs:
         with:
           python-version: 3.x
       - name: Install dependencies
-        run: pip install mkdocs-material mkdocstrings
+        run: pip install mkdocs-material mkdocstrings mkdocstrings-python-legacy
       - name: Deploy docs
         run: mkdocs gh-deploy --force