diff --git a/build.sbt b/build.sbt
index 9b2a80d..f6b1b96 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,12 +3,14 @@ scalaVersion := "2.11.8"
 enablePlugins(AndroidApp)
 android.useSupportVectors
 
+resolvers += Resolver.jcenterRepo
+
 name := "kcptun"
 organization := "com.github.shadowsocks"
-version := "0.0.5"
-versionCode := Some(5)
+version := "0.0.6"
+versionCode := Some(6)
 
-platformTarget := "android-25"
+platformTarget := "android-26"
 
 compileOrder := CompileOrder.JavaThenScala
 javacOptions ++= "-source" :: "1.7" :: "-target" :: "1.7" :: Nil
@@ -21,7 +23,7 @@ shrinkResources := true
 typedResources := false
 resConfigs := Seq("ja", "ko", "ru", "zh-rCN", "zh-rTW")
 
-libraryDependencies += "com.github.shadowsocks" %% "plugin" % "0.0.3"
+libraryDependencies += "com.github.shadowsocks" %% "plugin" % "0.0.4"
 
 lazy val goBuild = TaskKey[Unit]("go-build", "Build go and kcptun")
 goBuild := {
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 26e3e91..9dc595e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-addSbtPlugin("org.scala-android" % "sbt-android" % "1.7.7")
+addSbtPlugin("org.scala-android" % "sbt-android" % "1.7.8")
 
 addSbtPlugin("com.timushev.sbt" % "sbt-updates" % "0.1.10")
 
diff --git a/src/kcptun b/src/kcptun
index 3210a03..a68085f 160000
--- a/src/kcptun
+++ b/src/kcptun
@@ -1 +1 @@
-Subproject commit 3210a03ef626bf82fc8d5589ece3a3447cdb6a11
+Subproject commit a68085ff380fb843ab09edde144f5ef550026c9a
diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 78b4c8f..39ba977 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -3,7 +3,7 @@
     <uses-feature android:name="android.hardware.touchscreen"
                   android:required="false"/>
     <uses-sdk android:minSdkVersion="19"
-              android:targetSdkVersion="25"/>
+              android:targetSdkVersion="26"/>
     <application android:allowBackup="false"
                  android:label="kcptun"
                  android:icon="@mipmap/ic_launcher">