diff --git a/package.json b/package.json
index 08d67f5a9..0cffa236c 100644
--- a/package.json
+++ b/package.json
@@ -109,7 +109,7 @@
     "smash": "0.0",
     "static-server": "^2.2.1",
     "svg-sprite": "1.5.0",
-    "uglify-js": "~3.7.1"
+    "uglify-js": "~3.8.0"
   },
   "greenkeeper": {
     "label": "chore-greenkeeper",