diff --git a/build.sbt b/build.sbt
index c669105f..d9791c4f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,8 +5,8 @@ enablePlugins(AndroidApp)
 android.useSupportVectors
 
 name := "shadowsocks"
-version := "3.2.9"
-versionCode := Some(169)
+version := "3.3.0"
+versionCode := Some(170)
 
 platformTarget := "android-25"
 
diff --git a/kcptun/kcptun b/kcptun/kcptun
index ced94f78..c532a50e 160000
--- a/kcptun/kcptun
+++ b/kcptun/kcptun
@@ -1 +1 @@
-Subproject commit ced94f782036ce0bca1a8a1dfffd5ecd570bb204
+Subproject commit c532a50e1aeeaa9dee2428b374c3651a5c95258a