diff --git a/package.json b/package.json
index db61ccc..4b2872b 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "chalk": "^1.1.3",
     "is-browser": "^2.0.1",
-    "ms": "^0.7.2",
+    "ms": "^1.0.0",
     "promise": "^7.1.1",
     "test-result": "^2.0.0",
     "wtfnode": "^0.5.0"