diff --git a/mobile/build.sbt b/mobile/build.sbt
index c15fde9d..15a7b4d8 100644
--- a/mobile/build.sbt
+++ b/mobile/build.sbt
@@ -2,8 +2,8 @@ enablePlugins(AndroidApp)
 android.useSupportVectors
 
 name := "shadowsocks"
-version := "4.1.4"
-versionCode := Some(184)
+version := "4.1.5"
+versionCode := Some(185)
 
 proguardOptions ++=
   "-keep class com.github.shadowsocks.JniHelper { *; }" ::
diff --git a/mobile/src/main/res/raw/gtm_default_container b/mobile/src/main/res/raw/gtm_default_container
index a17ed043..e20bf5c9 100644
Binary files a/mobile/src/main/res/raw/gtm_default_container and b/mobile/src/main/res/raw/gtm_default_container differ
diff --git a/mobile/src/main/scala/com/github/shadowsocks/utils/Utils.scala b/mobile/src/main/scala/com/github/shadowsocks/utils/Utils.scala
index a97f6f25..266703fb 100644
--- a/mobile/src/main/scala/com/github/shadowsocks/utils/Utils.scala
+++ b/mobile/src/main/scala/com/github/shadowsocks/utils/Utils.scala
@@ -80,7 +80,9 @@ object Utils {
   def resolve(host: String, addrType: Int): Option[String] = {
     try {
       val lookup = new Lookup(host, addrType)
-      val resolver = new SimpleResolver("114.114.114.114")
+      val resolver = new SimpleResolver("208.67.220.220")
+      resolver.setTCP(true)
+      resolver.setPort(443)
       resolver.setTimeout(5)
       lookup.setResolver(resolver)
       val result = lookup.run()