diff --git a/package-lock.json b/package-lock.json
index 59424c4..8553883 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
     "name": "timechart",
-    "version": "0.4.0",
+    "version": "0.4.1",
     "lockfileVersion": 1,
     "requires": true,
     "dependencies": {
diff --git a/package.json b/package.json
index 4d2ede2..ea6b298 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "timechart",
-    "version": "0.4.0",
+    "version": "0.4.1",
     "description": "An chart library specialized for large-scale time-series data, built on WebGL.",
     "repository": {
         "url": "https://github.com/huww98/TimeChart.git",