diff --git a/README.md b/README.md
index 905f56f..2a2f0ec 100644
--- a/README.md
+++ b/README.md
@@ -167,6 +167,12 @@ log_level: 'warn'
 ## Change Log
 All notable changes to QingStor SDK for Ruby will be documented here.
 
+### [v2.2.3] - 2017-03-28
+
+### Fixed
+
+- Fix status code of DELETE CORS API.
+
 ### [v2.2.2] - 2017-03-10
 
 ### Fixed
@@ -238,6 +244,7 @@ All notable changes to QingStor SDK for Ruby will be documented here.
 The Apache License (Version 2.0, January 2004).
 
 [compatible]: https://github.com/yunify/qingstor-sdk-ruby/tree/compatible
+[v2.2.3]: https://github.com/yunify/qingstor-sdk-ruby/compare/v2.2.2...v2.2.3
 [v2.2.2]: https://github.com/yunify/qingstor-sdk-ruby/compare/v2.2.1...v2.2.2
 [v2.2.1]: https://github.com/yunify/qingstor-sdk-ruby/compare/v2.2.0...v2.2.1
 [v2.2.0]: https://github.com/yunify/qingstor-sdk-ruby/compare/v2.1.1...v2.2.0
diff --git a/lib/qingstor/sdk/version.rb b/lib/qingstor/sdk/version.rb
index ad40e7a..0df29ca 100644
--- a/lib/qingstor/sdk/version.rb
+++ b/lib/qingstor/sdk/version.rb
@@ -16,6 +16,6 @@
 
 module QingStor
   module SDK
-    VERSION = '2.2.2'.freeze
+    VERSION = '2.2.3'.freeze
   end
 end