diff --git a/XHRefreshControl.podspec b/XHRefreshControl.podspec
index bdc3041..d7e7f16 100644
--- a/XHRefreshControl.podspec
+++ b/XHRefreshControl.podspec
@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name         = "XHRefreshControl"
-  s.version      = "3.9"
+  s.version      = "4.0"
   s.summary      = "XHRefreshControl 是一款高扩展性、低耦合度的下拉刷新、上提加载更多的组件。"
   s.homepage     = "https://github.com/xhzengAIB/XHRefreshControl"
   s.license      = "MIT"
   s.authors      = { "xhzengAIB" => "xhzengAIB@gmail.com" }
-  s.source       = { :git => "https://github.com/xhzengAIB/XHRefreshControl.git", :tag => "v3.9" }
+  s.source       = { :git => "https://github.com/xhzengAIB/XHRefreshControl.git", :tag => "v4.0" }
   s.frameworks   = 'Foundation', 'CoreGraphics', 'UIKit'
   s.platform     = :ios, '5.0'
   s.source_files = 'RefreshControl/**/**/*.{h,m}'