diff --git a/package.json b/package.json
index 0c2a2ae..50501a6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bnb-chain/javascript-sdk",
-  "version": "1.0.2",
+  "version": "4.3.1",
   "license": "Apache-2.0",
   "main": "lib/index.js",
   "typings": "lib/index.d.ts",