diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 1f094fd..11b29b3 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -74,7 +74,7 @@ jobs:
       # https://docs.github.com/en/actions/guides/storing-workflow-data-as-artifacts
       - name: upload HTML for deploy
         if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/publish' }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: html
           path: _build/html