diff --git a/config/config.php b/config/config.php
index 982d9dd298..601fabd4f5 100644
--- a/config/config.php
+++ b/config/config.php
@@ -12,7 +12,7 @@
  * @link        http://www.zentao.net
  */
 /* Basic settings. */
-$config->version     = '2.1';             // The version of zentaopms. Don't change it.
+$config->version     = '2.2';             // The version of zentaopms. Don't change it.
 $config->encoding    = 'UTF-8';           // The encoding of znetaopms.
 $config->cookieLife  = time() + 2592000;  // The cookie life time.
 $config->timezone    = 'Asia/Shanghai';   // The time zone setting, for more see http://www.php.net/manual/en/timezones.php