diff --git a/package.json b/package.json
index 3780ee0b..a2f6dddb 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "react-style-sheets": "0.1.0",
     "sinon": "1.17.6",
     "sinon-chai": "2.8.0",
-    "watchify": "3.6.1"
+    "watchify": "4.0.0"
   },
   "peerDependencies": {
     "react": "*"