diff --git a/package.json b/package.json
index 4c0373167abe39..2b077549e7dfcb 100644
--- a/package.json
+++ b/package.json
@@ -184,7 +184,7 @@
     "stacktrace-parser": "^0.1.3",
     "temp": "0.8.3",
     "throat": "^3.0.0",
-    "uglify-js": "^2.6.2",
+    "uglify-js": "^3.14.3",
     "whatwg-fetch": "^1.0.0",
     "wordwrap": "^1.0.0",
     "worker-farm": "^1.3.1",