diff --git a/app/polymer/package.json b/app/polymer/package.json
index df5d7d7efd7d..66aafb3426a9 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -32,13 +32,13 @@
     "prepare": "node ../../scripts/prepare.js"
   },
   "dependencies": {
-    "@storybook/core": "5.3.0-alpha.22",
+    "@storybook/core": "6.2.0",
     "@webcomponents/webcomponentsjs": "^1.2.0",
     "core-js": "^3.0.1",
     "global": "^4.3.2",
     "regenerator-runtime": "^0.13.3",
     "ts-dedent": "^1.1.0",
-    "webpack": "^4.33.0"
+    "webpack": "^5.1.1"
   },
   "devDependencies": {
     "lit-html": "^1.0.0",