diff --git a/package.json b/package.json
index a9c339b3..c07a4016 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "datamaps",
   "description": "datamaps with d3.js",
-  "version": "0.3.7",
+  "version": "0.4.0",
   "author": "Mark DiMarco<markmarkoh@gmail.com>",
   "scripts": {
     "test": "grunt jasmine"