diff --git a/shadowsocks-libev-3.3.3.tar.gz b/shadowsocks-libev-3.3.3.tar.gz
deleted file mode 100644
index e9d558a..0000000
--- a/shadowsocks-libev-3.3.3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:677356a5ed6b5ae9e32a898061db2587158ff27e245db03f4bde9b006ef12dc9
-size 1930597
diff --git a/shadowsocks-libev-3.3.4.tar.gz b/shadowsocks-libev-3.3.4.tar.gz
new file mode 100644
index 0000000..3d2859f
--- /dev/null
+++ b/shadowsocks-libev-3.3.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fce47a956fad0c30def9c71821bcec450a40d3f881548e31e66cedf262b89eb1
+size 1930793
diff --git a/shadowsocks-libev.changes b/shadowsocks-libev.changes
index 0246a38..a47cbbf 100644
--- a/shadowsocks-libev.changes
+++ b/shadowsocks-libev.changes
@@ -1,8 +1,18 @@
+-------------------------------------------------------------------
+Wed Jan 15 13:39:42 UTC 2020 - Michael Du <duyizhaozj321@yahoo.com>
+
+- Update version to 3.3.4
+  * Minor bug fixes. (#2539, #2565, #2566, #2577)
+
 -------------------------------------------------------------------
 Thu Nov 14 06:39:43 UTC 2019 - Hillwood Yang <hillwood@opensuse.org>
 
 - Update version to 3.3.3
   * Refine the handling of suspicious connections.
+  * Fix exploitable denial-of-service vulnerability exists in the
+    UDPRelay functionality (boo#1158251, CVE-2019-5163)
+  * Fix code execution vulnerability in the ss-manager binary
+    (boo#1158365, CVE-2019-5164)
 
 -------------------------------------------------------------------
 Thu Oct 17 06:26:27 UTC 2019 - Hillwood Yang <hillwood@opensuse.org>
diff --git a/shadowsocks-libev.spec b/shadowsocks-libev.spec
index 637940e..9a6ec31 100644
--- a/shadowsocks-libev.spec
+++ b/shadowsocks-libev.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package shadowsocks-libev
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -19,12 +19,12 @@
 %define libver 2
 
 Name:           shadowsocks-libev
-Version:        3.3.3
+Version:        3.3.4
 Release:        0
 Summary:        Libev port of Shadowsocks
 License:        GPL-3.0-or-later
 Group:          Productivity/Networking/Web/Proxy
-Url:            https://github.com/shadowsocks/shadowsocks-libev
+URL:            https://github.com/shadowsocks/shadowsocks-libev
 Source0:        https://github.com/shadowsocks/shadowsocks-libev/releases/download/v%{version}/%{name}-%{version}.tar.gz
 Source1:        %{name}-config.json
 Source2:        %{name}-client.service