diff --git a/.github/workflows/doc.yaml b/.github/workflows/doc.yaml
index 9e1e209..1ff739e 100644
--- a/.github/workflows/doc.yaml
+++ b/.github/workflows/doc.yaml
@@ -20,7 +20,7 @@ jobs:
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - run: nix build .#nixpkgs-update-doc
       - if: success()
-        uses: crazy-max/ghaction-github-pages@v2
+        uses: crazy-max/ghaction-github-pages@v4
         with:
           target_branch: gh-pages
           build_dir: result/multi