diff --git a/shadowsocks-libev-3.1.2.tar.gz b/shadowsocks-libev-3.1.2.tar.gz
deleted file mode 100644
index 2040511..0000000
--- a/shadowsocks-libev-3.1.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3611f09793af923d988ecbd15ad89fb66839e51a0059685d8f88c0131658e4a7
-size 1921889
diff --git a/shadowsocks-libev-3.1.3.tar.gz b/shadowsocks-libev-3.1.3.tar.gz
new file mode 100644
index 0000000..606482c
--- /dev/null
+++ b/shadowsocks-libev-3.1.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58fb438d2cfe33cfa6ac8c50e587e2138c50e59a4b943f88d22883bf2e192a96
+size 1921170
diff --git a/shadowsocks-libev.changes b/shadowsocks-libev.changes
index dbc7746..ae8f3d0 100644
--- a/shadowsocks-libev.changes
+++ b/shadowsocks-libev.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Jan 20 14:02:33 UTC 2018 - hillwood@opensuse.org
+
+- Update version to 3.1.3
+  * Fix a bug in UDP relay.
+
 -------------------------------------------------------------------
 Sat Dec 30 09:14:46 UTC 2017 - jengelh@inai.de
 
diff --git a/shadowsocks-libev.spec b/shadowsocks-libev.spec
index 6080669..68878c1 100644
--- a/shadowsocks-libev.spec
+++ b/shadowsocks-libev.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package shadowsocks-libev
 #
-# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,8 +17,9 @@
 
 
 %define libver 2
+
 Name:           shadowsocks-libev
-Version:        3.1.2
+Version:        3.1.3
 Release:        0
 Summary:        Libev port of Shadowsocks
 License:        GPL-3.0+