Update dependency

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

Author: Richienb

package.json

@@ -46,7 +46,7 @@
 		"timers-browserify": "^2.0.12",
 		"tty-browserify": "^0.0.1",
 		"url": "^0.11.0",
-		"util": "^0.12.3",
+		"util": "^0.12.4",
 		"vm-browserify": "^1.1.2"
 	},
 	"devDependencies": {