diff --git a/History.md b/History.md
index e1881ab90..168921b01 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,8 @@
+2.2.5 / 2017-1-22
+=================
+  * [#815](https://github.com/NetEase/pomelo/pull/815)
+  * [#901](https://github.com/NetEase/pomelo/pull/901)
+
 2.2.4 / 2017-1-20
 =================
   * [NEW] upgrade pomelo-rpc to 1.0.7
diff --git a/README.md b/README.md
index 3e68e6dbf..21b58b3ea 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ With the following references, you can quickly familiarize yourself with the pom
 
 (The MIT License)
 
-Copyright (c) 2012-2014 NetEase, Inc. and other contributors
+Copyright (c) 2012-2017 NetEase, Inc. and other contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/package.json b/package.json
index de65502be..7467a06a5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pomelo",
-  "version": "2.2.4",
+  "version": "2.2.5",
   "homepage": "https://github.com/NetEase/pomelo",
   "repository": {
     "type": "git",