diff --git a/package.json b/package.json
index b2c085bf..8481fc9f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rc-cascader",
-  "version": "2.0.0-alpha.5",
+  "version": "2.0.0-alpha.6",
   "description": "cascade select ui component for react",
   "keywords": [
     "react",