diff --git a/package-lock.json b/package-lock.json
index 4d483cf..387cce5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "timechart",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index 75faa9c..5e0fe9f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "timechart",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "description": "An chart library specialized for large-scale time-series data, built on WebGL.",
     "repository": {
         "url": "https://github.com/huww98/TimeChart.git",