diff --git a/shadowsocks-csharp/Controller/UpdateChecker.cs b/shadowsocks-csharp/Controller/UpdateChecker.cs
index 870db9d5..a6f5b154 100755
--- a/shadowsocks-csharp/Controller/UpdateChecker.cs
+++ b/shadowsocks-csharp/Controller/UpdateChecker.cs
@@ -17,7 +17,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionURL;
         public event EventHandler NewVersionFound;
 
-        public const string Version = "2.2.1";
+        public const string Version = "2.3";
 
         public void CheckUpdate()
         {