diff --git a/README.md b/README.md
index 97186c0..be4cba6 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Simply add the following lines to your `Podfile`:
 # required by CocoaPods 0.36.0.rc.1 for Swift Pods
 use_frameworks! 
 
-pod 'UIColor_Hex_Swift', '~> 2.0'
+pod 'UIColor_Hex_Swift', '~> 2.1'
 ```
 
 Then import it where you use it:
@@ -40,7 +40,7 @@ import UIColor_Hex_Swift
 Simply add the following line to your `Cartfile`:
 
 ```ruby
-github "yeahdongcn/UIColor-Hex-Swift" >= 2.0
+github "yeahdongcn/UIColor-Hex-Swift" >= 2.1
 ```
 =================
 See more in [RSBarcodes_Swift](https://github.com/yeahdongcn/RSBarcodes_Swift) and [objc version](https://github.com/yeahdongcn/RSBarcodes) 
diff --git a/UIColor_Hex_Swift.podspec b/UIColor_Hex_Swift.podspec
index d8e4db5..a7ce3c3 100644
--- a/UIColor_Hex_Swift.podspec
+++ b/UIColor_Hex_Swift.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "UIColor_Hex_Swift"
-  s.version      = "2.0"
+  s.version      = "2.1"
   s.summary      = "Convenience method for creating autoreleased color using RGBA hex string."
   s.homepage     = "https://github.com/yeahdongcn/UIColor-Hex-Swift"
   s.license      = { :type => 'MIT', :file => 'LICENSE' }