diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4989b43..f7b5ec9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Publish docs
         if: >
           github.event_name == 'push' && github.ref == 'refs/heads/main'
-        uses: crazy-max/ghaction-github-pages@v2.6.0
+        uses: crazy-max/ghaction-github-pages@v3.0.0
         with:
           build_dir: union/htmldocs
         env: