diff --git a/package.json b/package.json
index 2a65b42..3f75daa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "harfbuzzjs",
-  "version": "0.3.6",
+  "version": "0.4.0",
   "description": "Minimal version of HarfBuzz for JavaScript use",
   "main": "index.js",
   "scripts": {