diff --git a/package.json b/package.json
index 5f44cf96..76199190 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rc-cascader",
-  "version": "2.3.3",
+  "version": "3.0.0-alpha.0",
   "description": "cascade select ui component for react",
   "keywords": [
     "react",