diff --git a/extensions/ui/org.eclipse.smarthome.ui.basic/package.json b/extensions/ui/org.eclipse.smarthome.ui.basic/package.json
index 9b3843b32ed..a0d81cdd26b 100644
--- a/extensions/ui/org.eclipse.smarthome.ui.basic/package.json
+++ b/extensions/ui/org.eclipse.smarthome.ui.basic/package.json
@@ -9,7 +9,7 @@
     "grunt": "^1.0.3",
     "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-less": "^1.0.1",
-    "grunt-contrib-uglify": "^0.11.1",
+    "grunt-contrib-uglify": "^2.2.0",
     "grunt-eslint": "^17.0.0",
     "less": "^2.5.1",
     "load-grunt-tasks": "^3.2.0"