diff --git a/package-lock.json b/package-lock.json
index 5a6781e8..caa3d5d8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@severlessworkflow/sdk-typescript",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@severlessworkflow/sdk-typescript",
-      "version": "3.0.1",
+      "version": "4.0.0",
       "license": "http://www.apache.org/licenses/LICENSE-2.0.txt",
       "dependencies": {
         "ajv": "^8.1.0",
diff --git a/package.json b/package.json
index 840b63b1..98df9b58 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@severlessworkflow/sdk-typescript",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "schemaVersion": "0.8",
   "description": "Typescript SDK for Serverless Workflow Specification",
   "main": "umd/index.umd.min.js",