diff --git a/package.json b/package.json
index f42c971..726e21b 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "uglify-js": "~2.6.2"
   },
   "devDependencies": {
-    "watchify": "~2.1.1"
+    "watchify": "~3.7.0"
   },
   "scripts": {
     "watch": "watchify -o public/dist/bundle.min.js -v -d public/script.js",