Update README.md

Author: madeye

README.md

@@ -11,7 +11,7 @@ It is a port of [shadowsocks](https://github.com/clowwindy/shadowsocks)
 created by [@clowwindy](https://github.com/clowwindy) maintained by 
 [@madeye](https://github.com/madeye) and [@linusyang](https://github.com/linusyang).
 
-Current version: 1.4.8 | [![Build Status](https://travis-ci.org/madeye/shadowsocks-libev.png?branch=master)](https://travis-ci.org/madeye/shadowsocks-libev) | [Changelog](Changes)
+Current version: 1.5.0 | [![Build Status](https://travis-ci.org/madeye/shadowsocks-libev.png?branch=master)](https://travis-ci.org/madeye/shadowsocks-libev) | [Changelog](Changes)
 
 Features
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