diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8ddb5ca4..a7eb0ffd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,8 +1,8 @@
 cmake_minimum_required(VERSION 3.2)
 
 set(PROJECT_NAME shadowsocks-libev)
-set(RELEASE_DATE 2019-03-09)
-set(PROJECT_VERSION "3.2.5")
+set(RELEASE_DATE 2019-06-08)
+set(PROJECT_VERSION "3.3.0")
 set(PROJECT_DESC "a lightweight secured socks5 proxy")
 set(PROJECT_URL "https://shadowsocks.org")
 set(PROJECT_ISSUES_URL "https://github.com/shadowsocks/shadowsocks-libev")
diff --git a/Changes b/Changes
index 77a7bf35..14df61bb 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,11 @@
+shadowsocks-libev (3.3.0-1) unstable; urgency=medium
+
+  * Enlarge the socket buffer size to 16KB.
+  * Fix the empty list bug in ss-manager.
+  * Fix the IPv6 address parser.
+
+ -- Max Lv <max.c.lv@gmail.com>  Sat, 08 Jun 2019 07:53:20 +0800
+
 shadowsocks-libev (3.2.5-1) unstable; urgency=medium
 
   * Fix a bug of port parser.
diff --git a/README.md b/README.md
index 1fe5889a..17215c93 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It is a port of [Shadowsocks](https://github.com/shadowsocks/shadowsocks)
 created by [@clowwindy](https://github.com/clowwindy), and maintained by
 [@madeye](https://github.com/madeye) and [@linusyang](https://github.com/linusyang).
 
-Current version: 3.2.5 | [Changelog](debian/changelog)
+Current version: 3.3.0 | [Changelog](debian/changelog)
 
 ## Features
 
diff --git a/configure.ac b/configure.ac
index 14aa8d37..75e56b01 100755
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@ dnl                                               -*- Autoconf -*-
 dnl Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.67])
-AC_INIT([shadowsocks-libev], [3.2.5], [max.c.lv@gmail.com])
+AC_INIT([shadowsocks-libev], [3.3.0], [max.c.lv@gmail.com])
 AC_CONFIG_SRCDIR([src/crypto.c])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_AUX_DIR(auto)
diff --git a/debian/changelog b/debian/changelog
index 77a7bf35..14df61bb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+shadowsocks-libev (3.3.0-1) unstable; urgency=medium
+
+  * Enlarge the socket buffer size to 16KB.
+  * Fix the empty list bug in ss-manager.
+  * Fix the IPv6 address parser.
+
+ -- Max Lv <max.c.lv@gmail.com>  Sat, 08 Jun 2019 07:53:20 +0800
+
 shadowsocks-libev (3.2.5-1) unstable; urgency=medium
 
   * Fix a bug of port parser.
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index de6e92ae..fdc3b473 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,6 +1,6 @@
 base: core18
 name: shadowsocks-libev
-version: 3.2.5-1
+version: 3.3.0-1
 summary: libev port of shadowsocks
 description: |
   Shadowsocks-libev is a lightweight and secure SOCKS5 proxy for embedded
@@ -40,7 +40,7 @@ passthrough:
 parts:
  shadowsocks-libev:
     plugin: autotools
-    source: https://github.com/shadowsocks/shadowsocks-libev/releases/download/v3.2.5/shadowsocks-libev-3.2.5.tar.gz
+    source: https://github.com/shadowsocks/shadowsocks-libev/releases/download/v3.3.0/shadowsocks-libev-3.3.0.tar.gz
     build-packages:
       - libpcre3-dev
       - asciidoc