diff --git a/package.json b/package.json
index 243ea85..fe5a24b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "waveshaper",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Waveform drawing library",
   "main": "dist/waveshaper.js",
   "types": "dist/typings/index.d.ts",