diff --git a/package-lock.json b/package-lock.json
index f52097e..7fb7029 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@toruslabs/torus.js",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 6f81f04..b89a00f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@toruslabs/torus.js",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "description": "Handle communication with torus nodes",
   "main": "dist/torusUtils.cjs.js",
   "module": "dist/torusUtils.esm.js",