diff --git a/app/polymer/package.json b/app/polymer/package.json
index 51c0f1c1dab..fb1e0dffc0f 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -28,7 +28,7 @@
     "@storybook/core": "3.4.0-rc.3",
     "@storybook/node-logger": "3.4.0-rc.3",
     "@storybook/ui": "3.4.0-rc.3",
-    "@webcomponents/webcomponentsjs": "^1.1.0",
+    "@webcomponents/webcomponentsjs": "^1.1.1",
     "airbnb-js-shims": "^1.4.1",
     "babel-loader": "^7.1.4",
     "babel-plugin-macros": "^2.2.0",