diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b8d0bd..ae32ede 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## v4.8.1 (May 10, 2023)
+
+### **Improvements**
+- Fixed a crash issue that occurred when encoding `User`
+
 ## v4.8.0 (May 03, 2023)
 
 ### **Features**
diff --git a/Package.swift b/Package.swift
index 5e817ec..b9fa59d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,8 +15,8 @@ let package = Package(
     targets: [
         .binaryTarget(
             name: "SendbirdChatSDK",
-            url: "https://github.com/sendbird/sendbird-chat-sdk-ios/releases/download/v4.8.0/SendbirdChatSDK.xcframework.zip",
-            checksum: "66c8c5f8391cd1790506f6d5b0fd46e8adeaa44934461e0ba65ed7acd2880b02"
+            url: "https://github.com/sendbird/sendbird-chat-sdk-ios/releases/download/v4.8.1/SendbirdChatSDK.xcframework.zip",
+            checksum: "b2738f3cfc2cf351564ea2680983dd5659f7a02b37ed4a377c3732a1d4076d4a"
         ),
     ]
 )
diff --git a/SendbirdChatSDK.podspec b/SendbirdChatSDK.podspec
index 8ef2be2..1f00512 100644
--- a/SendbirdChatSDK.podspec
+++ b/SendbirdChatSDK.podspec
@@ -1,7 +1,7 @@
 
 Pod::Spec.new do |s|
   s.name         = 'SendbirdChatSDK'
-  s.version      = "4.8.0"
+  s.version      = "4.8.1"
   s.summary      = 'Sendbird Chat iOS Framework'
   s.description  = 'Messaging and Chat API for Mobile Apps and Websites'
   s.homepage     = 'https://sendbird.com'
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
     'Celine Moon' => 'celine.moon@sendbird.com',
     'Ernest Hong' => 'ernest.hong@sendbird.com'
   }
-  s.source       = { :http => "https://github.com/sendbird/sendbird-chat-sdk-ios/releases/download/v4.8.0/SendbirdChatSDK.zip", :sha1 => "eea5de6d6301341c5d76c473bc27a1c5ed6b45f2" }
+  s.source       = { :http => "https://github.com/sendbird/sendbird-chat-sdk-ios/releases/download/v4.8.1/SendbirdChatSDK.zip", :sha1 => "da46e193d2f228fa4370be6f7afd54367305baa1" }
   s.requires_arc = true
   s.platform = :ios, '11.0'
   s.documentation_url = 'https://sendbird.com/docs/chat'