diff --git a/package.json b/package.json
index 73892e2..f90819b 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "minimist": "1.2.0",
     "ora": "1.1.0",
     "pretty-bytes": "4.0.2",
-    "uglify-js": "2.7.5"
+    "uglify-js": "2.8.1"
   },
   "devDependencies": {
     "coveralls": "2.11.16",