diff --git a/package.json b/package.json
index 6790cce3f..681f125a8 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
   },
   "devDependencies": {
     "browserify-istanbul": "^0.1.5",
-    "browserify": "^12.0.1",
+    "browserify": "^13.0.0",
     "buffer-equal": "^1.0.0",
     "codecov.io": "^0.1.6",
     "coveralls": "^2.11.4",