diff --git a/CHANGES b/CHANGES
index 65b6b58a..2ddecc94 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+2.5.4 2015-08-16
+- Hide Privoxy icon
+
 2.5.3 2015-08-16
 - Replace Polipo with Privoxy
 - Add Choose by Total Packet Loss
diff --git a/README.md b/README.md
index b7f44756..bcd3f5cf 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,6 @@ Shadowsocks for Windows
 
 Download a [latest release].
 
-Notice: .Net 2.0 doesn't work well on Windows 10. We no longer support .Net 2.0. Both Shadowsocks-win-xxx.zip and Shadowsocks-win-dotnet4.0-xxx.zip are exactly the same file now. If you use Windows XP or 7, please install .Net 4.0 or higher.
-
 #### Basic
 
 1. Find Shadowsocks icon in the notification tray
diff --git a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
index 5f20c3df..c6f65121 100644
--- a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
+++ b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
@@ -18,7 +18,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionURL;
         public event EventHandler NewVersionFound;
 
-        public const string Version = "2.5.3";
+        public const string Version = "2.5.4";
 
         public void CheckUpdate(Configuration config)
         {
diff --git a/shadowsocks-csharp/Data/privoxy.exe.gz b/shadowsocks-csharp/Data/privoxy.exe.gz
index c9c7a303..36f7d360 100644
Binary files a/shadowsocks-csharp/Data/privoxy.exe.gz and b/shadowsocks-csharp/Data/privoxy.exe.gz differ