diff --git a/package.json b/package.json
index 80aab21e..9ddf1a5a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rc-cascader",
-  "version": "3.0.0-alpha.2",
+  "version": "3.0.0-alpha.3",
   "description": "cascade select ui component for react",
   "keywords": [
     "react",