diff --git a/package-lock.json b/package-lock.json
index 0b953451..3680dfa1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "jsmind",
-    "version": "0.5.5",
+    "version": "0.5.6",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
diff --git a/package.json b/package.json
index e4b66007..16c8e8eb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "jsmind",
-    "version": "0.5.5",
+    "version": "0.5.6",
     "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": "js/jsmind.js",
     "directories": {