diff --git a/ShadowsocksX-NG/Credits.rtf b/ShadowsocksX-NG/Credits.rtf
index 53d0375..abd7029 100644
--- a/ShadowsocksX-NG/Credits.rtf
+++ b/ShadowsocksX-NG/Credits.rtf
@@ -10,7 +10,7 @@
 \pard\tx560\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\pardirnatural\partightenfactor0
 {\field{\*\fldinst{HYPERLINK "https://github.com/shadowsocks/kcptun"}}{\fldrslt \cf0 kcptun}} v20170718\
 \pard\tx560\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\pardirnatural\partightenfactor0
-{\field{\*\fldinst{HYPERLINK "https://github.com/shadowsocks/simple-obfs"}}{\fldrslt \cf0 simple-obfs}} v0.0.2\
+{\field{\*\fldinst{HYPERLINK "https://github.com/shadowsocks/simple-obfs"}}{\fldrslt \cf0 simple-obfs}} v0.0.5\
 \pard\tx560\tx1133\tx1700\tx2267\tx2834\tx3401\tx3968\tx4535\tx5102\tx5669\tx6236\tx6803\pardirnatural\partightenfactor0
 {\field{\*\fldinst{HYPERLINK "https://www.privoxy.org/"}}{\fldrslt \cf0 privoxy}} v3.0.26\
 }
\ No newline at end of file
diff --git a/ShadowsocksX-NG/LaunchAgentUtils.swift b/ShadowsocksX-NG/LaunchAgentUtils.swift
index d397629..58fcf43 100644
--- a/ShadowsocksX-NG/LaunchAgentUtils.swift
+++ b/ShadowsocksX-NG/LaunchAgentUtils.swift
@@ -11,7 +11,7 @@ import Foundation
 let SS_LOCAL_VERSION = "3.1.3"
 let KCPTUN_CLIENT_VERSION = "v20170718"
 let PRIVOXY_VERSION = "3.0.26.static"
-let SIMPLE_OBFS_VERSION = "0.0.2"
+let SIMPLE_OBFS_VERSION = "0.0.5"
 let APP_SUPPORT_DIR = "/Library/Application Support/ShadowsocksX-NG/"
 let LAUNCH_AGENT_DIR = "/Library/LaunchAgents/"
 let LAUNCH_AGENT_CONF_SSLOCAL_NAME = "com.qiuyuzhou.shadowsocksX-NG.local.plist"
diff --git a/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh b/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
index 90b7bd6..4546061 100644
--- a/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
+++ b/ShadowsocksX-NG/simple-obfs/install_simple_obfs.sh
@@ -1,10 +1,11 @@
 #!/bin/sh
+# v0.0.5 https://bintray.com/homebrew/bottles/simple-obfs
 
 FILE_DIR=`dirname "${BASH_SOURCE[0]}"`
 cd "$FILE_DIR"
 
 NGDir="$HOME/Library/Application Support/ShadowsocksX-NG"
-TargetDir="$NGDir/simple-obfs-0.0.2"
+TargetDir="$NGDir/simple-obfs-0.0.5"
 PluginDir="$NGDir/plugins"
 
 echo ngdir: ${NGDir}
diff --git a/ShadowsocksX-NG/simple-obfs/obfs-local b/ShadowsocksX-NG/simple-obfs/obfs-local
index cce1a72..e1976a3 100755
Binary files a/ShadowsocksX-NG/simple-obfs/obfs-local and b/ShadowsocksX-NG/simple-obfs/obfs-local differ