diff --git a/tool/package.json b/tool/package.json
index f7ca4a95b1d..d884cf0f7a7 100644
--- a/tool/package.json
+++ b/tool/package.json
@@ -4,7 +4,7 @@
   "dependencies": {
     "amd-loader": "~0.0.4",
     "browser-pack": "5.0.1",
-    "browserify": "10.2.4",
+    "browserify": "12.0.0",
     "cson": "3.0.1",
     "css-parse": "1.0.3",
     "css-stringify": "1.0.3",