diff --git a/CHANGES b/CHANGES
index 8d026f05..269184e2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+4.0.5 2017-08-09
+- Fix crash when user-wininet.json fail to parse. (#1178)
+- Bug fixes and improvements.
+
 4.0.4 2017-06-01
 - Save user wininet settings as user-wininet.json
 - Improve performance of aes-256-gcm
diff --git a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
index 1d4a1cea..3aba67e9 100644
--- a/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
+++ b/shadowsocks-csharp/Controller/Service/UpdateChecker.cs
@@ -24,7 +24,7 @@ namespace Shadowsocks.Controller
         public string LatestVersionLocalName;
         public event EventHandler CheckUpdateCompleted;
 
-        public const string Version = "4.0.4";
+        public const string Version = "4.0.5";
 
         private class CheckUpdateTimer : System.Timers.Timer
         {