diff --git a/package.json b/package.json
index f70a768..bf971aa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cesium-mvt-imagery-provider",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Custom ImageryProvider for mapbox vector tile",
   "source": "./src/index.ts",
   "main": "./dist/cesium-mvt-imagery-provider.umd.js",