diff --git a/CHANGES b/CHANGES
index b16dbdb3..92dc3855 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,13 @@
+3.3 2016-09-09
+- Update Privoxy to 3.0.26
+- Change minimum system version explicitly to Windows Vista
+  since we are using dual-mode socket
+- Support running multiple instances of Privoxy for system proxy
+- Improve networking
+- New traffic chart and icon style
+- I18N: Traditional Chinese support
+- Bug fixes and improvements
+
 3.2 2016-08-13
 - Add AES-CTR, blowfish and camellia ciphers support,
   including aes-256-ctr, aes-192-ctr, aes-128-ctr,
diff --git a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
index 4db01a0f..698de221 100644
--- a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
+++ b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
@@ -23,7 +23,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionLocalName;
         public event EventHandler CheckUpdateCompleted;
 
-        public const string Version = "3.2";
+        public const string Version = "3.3";
 
         private class CheckUpdateTimer : System.Timers.Timer
         {