diff --git a/HPNetwork.podspec b/HPNetwork.podspec
index f544c40..70ce5e9 100644
--- a/HPNetwork.podspec
+++ b/HPNetwork.podspec
@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "HPNetwork"
-  s.version      = "1.2.1"
+  s.version      = "2.0.0"
   s.summary      = "A lightweight but customisable networking stack written in Swift"
 
   s.homepage     = "https://panhans.dev/opensource/hpnetwork"
@@ -26,8 +26,7 @@ Pod::Spec.new do |s|
   s.tvos.framework = "UIKit"
   s.osx.framework = "AppKit"
 
-  s.swift_version = "5.3"
-  s.requires_arc = true
+  s.swift_version = "5.1"
   s.requires_arc = true
 
 end
diff --git a/Package.swift b/Package.swift
index 62ef150..bfef21e 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.3
+// swift-tools-version:5.1
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription