diff --git a/package.json b/package.json
index 63aa2ce442..8a72e22278 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "rollup-plugin-uglify": "5.0.2",
     "sinon": "^6.0.0",
     "typescript": "^3.1.0-dev.20180905",
-    "uglifyjs-webpack-plugin": "^1.2.5",
+    "uglifyjs-webpack-plugin": "^2.0.1",
     "url-polyfill": "^1.0.13",
     "walk": "^2.3.9",
     "webpack": "4.19.1",