diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 0acc24c..a2ceaf0 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -36,6 +36,7 @@ jobs:
           destination: ./_site
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
+        theme: slate
 
   # Deployment job
   deploy: