diff --git a/Cartfile b/Cartfile
index 725662cf..54c991c5 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1,2 +1,2 @@
-github "robbiehanson/CocoaAsyncSocket" "7.6.5"
+github "leeway1208/CocoaAsyncSocket" "1.0.1"
 github "daltoniam/Starscream" "3.1.1"
diff --git a/CocoaMQTT.podspec b/CocoaMQTT.podspec
index d063d912..0c7030bd 100644
--- a/CocoaMQTT.podspec
+++ b/CocoaMQTT.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name        = "CocoaMQTT"
-  s.version     = "2.0.5"
+  s.version     = "2.0.6"
   s.summary     = "MQTT v3.1.1 client library for iOS and OS X written with Swift 5"
   s.homepage    = "https://github.com/emqx/CocoaMQTT"
   s.license     = { :type => "MIT" }
@@ -12,11 +12,11 @@ Pod::Spec.new do |s|
   s.ios.deployment_target = "9.0"
   s.tvos.deployment_target = "10.0"
   # s.watchos.deployment_target = "2.0"
-  s.source   = { :git => "https://github.com/emqx/CocoaMQTT.git", :tag => "2.0.5"}
+  s.source   = { :git => "https://github.com/emqx/CocoaMQTT.git", :tag => "2.0.6"}
   s.default_subspec = 'Core'
   
   s.subspec 'Core' do |ss|
-    ss.dependency "CocoaAsyncSocket", "~> 7.6.5"
+    ss.dependency "MqttCocoaAsyncSocket", "~> 1.0.1"
     ss.source_files = "Source/*.swift"
     ss.exclude_files = "Source/CocoaMQTTWebSocket.swift"
   end
diff --git a/Source/CocoaMQTT.swift b/Source/CocoaMQTT.swift
index 68fa188a..f4c99396 100644
--- a/Source/CocoaMQTT.swift
+++ b/Source/CocoaMQTT.swift
@@ -7,7 +7,7 @@
 //
 
 import Foundation
-import CocoaAsyncSocket
+import MqttCocoaAsyncSocket
 
 /**
  * Conn Ack
diff --git a/Source/CocoaMQTT5.swift b/Source/CocoaMQTT5.swift
index 97bb8df8..d93ec081 100644
--- a/Source/CocoaMQTT5.swift
+++ b/Source/CocoaMQTT5.swift
@@ -7,7 +7,7 @@
 //
 
 import Foundation
-import CocoaAsyncSocket
+import MqttCocoaAsyncSocket
 
 /**
  * Connection State
diff --git a/Source/CocoaMQTTSocket.swift b/Source/CocoaMQTTSocket.swift
index 5ea0bf76..1614463c 100644
--- a/Source/CocoaMQTTSocket.swift
+++ b/Source/CocoaMQTTSocket.swift
@@ -6,7 +6,7 @@
 //
 
 import Foundation
-import CocoaAsyncSocket
+import MqttCocoaAsyncSocket
 
 // MARK: - Interfaces