diff --git a/package.json b/package.json
index c5d942945..f66349993 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
   },
   "devDependencies": {
     "bluebird": "^3.0.2",
+    "browserify": "^12.0.2",
     "browserify-istanbul": "^0.1.5",
     "buffer-equal": "^1.0.0",
     "codecov.io": "^0.1.6",