diff --git a/package.json b/package.json
index 8753b9a955..e805acd673 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bitgo",
-  "version": "3.8.0",
+  "version": "4.0.0",
   "description": "BitGo Javascript SDK",
   "main": "./src/index.js",
   "keywords": [