diff --git a/lib/Default.coffee b/lib/Default.coffee
index 23878b4..b1a0486 100644
--- a/lib/Default.coffee
+++ b/lib/Default.coffee
@@ -4,6 +4,7 @@ humanizeMs = require 'ms'
 chalk      = require 'chalk'
 formatUtil = require './Format'
 CONST      = require './Constants'
+repeat     = require 'repeat-string'
 
 module.exports =
   print: ->
@@ -13,7 +14,7 @@ module.exports =
   decorateCounter: (counter) ->
     str = '' + counter
     n = CONST.DECORATE_COUNTER_ZERO_N - str.length
-    return '0'.repeat(n) + str if n > 0
+    return repeat('0', n) + str if n > 0
     str
 
   outputMessage: (message) -> message
diff --git a/package.json b/package.json
index 08c3e82..caa7dd2 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,8 @@
     "chalk": "~1.1.1",
     "coffee-script": "~1.10.0",
     "existential-default": "~1.1.1",
-    "ms": "~0.7.1"
+    "ms": "~0.7.1",
+    "repeat-string": "~1.5.4"
   },
   "devDependencies": {
     "browserify": "latest",