diff --git a/package.json b/package.json
index ababf7e..acf1000 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polymathnetwork/sdk",
-  "version": "3.0.0",
+  "version": "4.0.0",
   "description": "A Javascript SDK for interacting with the Polymath network for the browser and Node.js",
   "bugs": {
     "url": "https://github.com/PolymathNetwork/polymath-sdk/issues"