diff --git a/package.json b/package.json
index 72089ef7..d07d8cc1 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "lamassu-server",
   "description": "bitcoin atm client server protocol module",
   "keywords": [],
-  "version": "0.3.9",
+  "version": "0.4.0",
   "license": "unlicense",
   "author": "Lamassu (https://lamassu.is)",
   "engines": {