diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 0b34ee7b3..615c0d379 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Build with IRB
         run: bundle exec rake rdoc
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
 
   deploy:
     environment: