diff --git a/CHANGELOG.md b/CHANGELOG.md
index c4fecb4a..6cc54ca0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+### v3.0.18(Nov 23, 2016)
+* Fixed bug of last message of group channels.
+
 ### v3.0.17(Nov 4, 2016)
 * Fixed connection bug.
 
diff --git a/README.md b/README.md
index 13fa23bb..539f0b10 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 
 [![Platform](https://img.shields.io/badge/platform-iOS-orange.svg)](https://cocoapods.org/pods/SendBirdSDK)
 [![Languages](https://img.shields.io/badge/language-Objective--C%20%7C%20Swift-orange.svg)](https://github.com/smilefam/sendbird-ios-framework)
-[![CocoaPods](https://img.shields.io/badge/pod-v3.0.17-green.svg)](https://cocoapods.org/pods/SendBirdSDK)
+[![CocoaPods](https://img.shields.io/badge/pod-v3.0.18-green.svg)](https://cocoapods.org/pods/SendBirdSDK)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)
 [![Commercial License](https://img.shields.io/badge/license-Commercial-brightgreen.svg)](https://github.com/smilefam/sendbird-ios-framework/blob/master/LICENSE.md)
 
diff --git a/SendBirdSDK.framework/Headers/SBDUser.h b/SendBirdSDK.framework/Headers/SBDUser.h
index 0683a360..99817af5 100644
--- a/SendBirdSDK.framework/Headers/SBDUser.h
+++ b/SendBirdSDK.framework/Headers/SBDUser.h
@@ -1,8 +1,8 @@
 //
-//  SBDUser.h
+//  SBDUser2.h
 //  SendBirdSDK
 //
-//  Created by Jed Gyeong on 5/22/16.
+//  Created by Jed Gyeong on 11/23/16.
 //  Copyright © 2016 SENDBIRD.COM. All rights reserved.
 //
 
@@ -10,8 +10,6 @@
 #import "SBDError.h"
 #import "SBDTypes.h"
 
-@class SBDBlockedUserListQuery;
-
 /**
  *  The `SBDUser` class represents a user. The user is identified by the `userId`, so the `userId` has to be unique. The `userId`, `nickname` and `profileUrl` are valid in every `SBDUser` instance, however the `connectionStatus` and `lastSeenAt` is valid in `SBDUser` instance from `SBDUserListQuery`.
  */
diff --git a/SendBirdSDK.framework/Info.plist b/SendBirdSDK.framework/Info.plist
index b53e2578..3df1eb56 100644
Binary files a/SendBirdSDK.framework/Info.plist and b/SendBirdSDK.framework/Info.plist differ
diff --git a/SendBirdSDK.framework/SendBirdSDK b/SendBirdSDK.framework/SendBirdSDK
index da832c11..78a0fc0b 100644
Binary files a/SendBirdSDK.framework/SendBirdSDK and b/SendBirdSDK.framework/SendBirdSDK differ
diff --git a/SendBirdSDK.podspec b/SendBirdSDK.podspec
index 5e69fcc8..65b4ebed 100644
--- a/SendBirdSDK.podspec
+++ b/SendBirdSDK.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "SendBirdSDK"
-  s.version      = "3.0.17"
+  s.version      = "3.0.18"
   s.summary      = "SendBird iOS Framework"
   s.description  = "Messaging and Chat API for Mobile Apps and Websites"
   s.homepage     = "https://sendbird.com"