diff --git a/.github/workflows/appengine_deploy.yml b/.github/workflows/appengine_deploy.yml
index 10dcce846..3f3dddbae 100644
--- a/.github/workflows/appengine_deploy.yml
+++ b/.github/workflows/appengine_deploy.yml
@@ -24,7 +24,7 @@ jobs:
           npm run prepareDemos
 
       - name: Upload
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: appengine_files
           path: _deploy/