diff --git a/app/polymer/package.json b/app/polymer/package.json
index df5d7d7efd7d..568bd5ff6ed9 100644
--- a/app/polymer/package.json
+++ b/app/polymer/package.json
@@ -38,7 +38,7 @@
     "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",