diff --git a/package.json b/package.json
index a4353dd6..6f4da952 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "jsmind",
-    "version": "0.6.3",
+    "version": "0.6.4",
     "description": "jsMind is a pure javascript library for mindmap, it base on html5 canvas. jsMind was released under BSD license, you can embed it in any project, if only you observe the license.",
     "main": "es6/jsmind.js",
     "directories": {