diff --git a/app/polymer/package.json b/app/polymer/package.json
index d6e2435e99c9..79835d121f78 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -25,7 +25,7 @@
     "@storybook/addons": "3.4.0-rc.2",
     "@storybook/channel-postmessage": "3.4.0-rc.2",
     "@storybook/client-logger": "3.4.0-rc.2",
-    "@storybook/core": "3.4.0-rc.2",
+    "@storybook/core": "6.2.0",
     "@storybook/node-logger": "3.4.0-rc.2",
     "@storybook/ui": "3.4.0-rc.2",
     "@webcomponents/webcomponentsjs": "^1.1.0",