diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 386be2f5..2200e68d 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           xmlns:tools="http://schemas.android.com/tools" package="com.github.shadowsocks"
-          android:versionCode="152"
-          android:versionName="3.1.1">
+          android:versionCode="153"
+          android:versionName="3.1.2">
 
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
diff --git a/src/main/jni/shadowsocks-libev b/src/main/jni/shadowsocks-libev
index e5c32544..61cd731c 160000
--- a/src/main/jni/shadowsocks-libev
+++ b/src/main/jni/shadowsocks-libev
@@ -1 +1 @@
-Subproject commit e5c325445092dc80d3c8bba2d8ab07beee6e4d4d
+Subproject commit 61cd731c4ee3c26533a96bf5a21631f31d747610