diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 6cdd1aea..75da39a1 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -34,7 +34,7 @@ jobs:
         # Outputs to the './_site' directory by default
         run: rake rdoc
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
 
   deploy:
     environment: