diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27397ab..4e6dc45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,15 +4,23 @@ All notable changes to the "wandbox-vscode" extension will be documented in this
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
-## 2.1.2 - 2017-03-??
+## 2.1.2 - 2017-03-17
 
 ### Added
 
 - Supported OCaml
+- Supported Go lang
+- DOC: Contributed to Tutorial secttion in README
+- DOC: Contributed to Extension Settings secttion in README
+- DOC: Keyboard shortcut Settings secttion in README
 
 ### Fixed
 
-- Changed all internal command name( example: `extension.invokeWandbox` → `wandbox.run` ). You can still use the old command name. However, they are deprecated and will be deleted in the future.
+- Changed all internal command name( example: `extension.invokeWandbox` → `wandbox.run` )
+
+### Deprecated
+
+- All internal command name like as `extension.*`
 
 ## 2.1.1 - 2017-03-04
 
diff --git a/package.json b/package.json
index 4cf6cde..0389c08 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
     "displayName": "wandbox-vscode",
     "description": "Wandbox(compile & run & share service) client for VSCode. Available languages: Bash script, C, C#, C++, CoffeeScript, CPP, D, Elixir, Erlang, Go, Groovy, Haskell, Java, JavaScript, Lazy K, Lisp, Lua, OCaml, Pascal, Perl, PHP, Python, Rill, Ruby, Rust, Scala, SQL, Apple Swift, Vim script",
     "icon": "images/wandhex.128.png",
-    "version": "2.1.1",
+    "version": "2.1.2",
     "publisher": "wraith13",
     "license": "SEE LICENSE IN LICENSE_1_0.txt",
     "engines": {
@@ -383,4 +383,4 @@
         "@types/node": "^6.0.40",
         "@types/mocha": "^2.2.32"
     }
-}
+}
\ No newline at end of file