diff --git a/package.json b/package.json
index d02e978..c28ce18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@1inch/limit-order-sdk",
-  "version": "4.0.0",
+  "version": "4.0.1-rc.0",
   "description": "SDK for 1inch Limit Order Protocol",
   "author": "@1inch",
   "license": "MIT",