diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index ee84d3dd1..df572e1e5 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -87,6 +87,12 @@ jobs:
           mkdocs build --clean
           mkdocs --version
 
+      - name: Adjust permissions
+        run: |
+          chmod -c -R +rX site/ | while read line; do
+            echo "::warning title=Invalid file permissions automatically fixed::$line"
+          done
+
       - name: Upload to GitHub Pages
         uses: actions/upload-pages-artifact@v2
         with: