diff --git a/package.json b/package.json
index a19653e35a24..b957c4d52424 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "moment-timezone": "~0.5.5",
     "picturefill": "~3.0.2",
     "requirejs": "~2.3.2",
-    "uglify-js": "2.7.0",
+    "uglify-js": "2.8.6",
     "underscore": "~1.8.3",
     "underscore.string": "~3.3.4"
   },