diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e5e9b9..5bb0172 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,25 @@
+## 0.2.1
+
+Using Mozilla 2.0 license from now on.
+
+Features:
+
+ - Support `authorization.header_prefix` for authorization headers (#6)
+ - Can now make authentication compulsory using `authorizaiton.need_auth`
+ - Default value is `false` for `response.formats.html`
+ - Default value is `false` for `request.formats.form`
+ - Allow API `base_url` to be an argument (#30)
+ - Parameters needed for method URL can be defined in the method
+
+Bugfixes:
+
+ - Helpful error when missing language specific fields in `pkg.json`
+ - Better building of binary (#22)
+ - Python style fixes (#26)
+ - Comments in generated code are now params/args aware
+ - Fix bug with JSON parsing response in node.js
+ - Ruby style fixes
+
 ## 0.2.0
 
 Features:
@@ -8,5 +30,4 @@ Features:
 
 Bugfixes:
 
- - Fix python README.md (#2)
  - MakeStringArrayInterface and ArrayStringInterface supports nil (#14)
diff --git a/Makefile b/Makefile
index 14b6349..854fdf2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-VERSION = 0.2.0
+VERSION = 0.2.1
 
 GO_RICE = rice
 GO_FMT = gofmt -w
diff --git a/README.md b/README.md
index 20024e3..057d3f0 100644
--- a/README.md
+++ b/README.md
@@ -18,15 +18,15 @@ Join us at [gitter](https://gitter.im/pksunkara/alpaca) if you need any help.
 
 ## Installation
 
-You can download the binaries (v0.2.0)
+You can download the binaries (v0.2.1)
 
- * Architecture i386 [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_linux_386.tar.gz?direct) / [windows](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_windows_386.zip?direct) / [darwin](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_darwin_386.zip?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_freebsd_386.zip?direct) / [openbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_openbsd_386.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_netbsd_386.zip?direct) / [plan9](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_plan9_386.zip?direct) ]
- * Architecture amd64 [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_linux_amd64.tar.gz?direct) / [windows](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_windows_amd64.zip?direct) / [darwin](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_darwin_amd64.zip?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_freebsd_amd64.zip?direct) / [openbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_openbsd_amd64.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_netbsd_amd64.zip?direct) ]
- * Architecture arm [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_linux_arm.tar.gz?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_freebsd_arm.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_netbsd_arm.zip?direct) ]
+ * Architecture i386 [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_linux_386.tar.gz?direct) / [windows](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_windows_386.zip?direct) / [darwin](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_darwin_386.zip?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_freebsd_386.zip?direct) / [openbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_openbsd_386.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_netbsd_386.zip?direct) / [plan9](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_plan9_386.zip?direct) ]
+ * Architecture amd64 [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_linux_amd64.tar.gz?direct) / [windows](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_windows_amd64.zip?direct) / [darwin](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_darwin_amd64.zip?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_freebsd_amd64.zip?direct) / [openbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_openbsd_amd64.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_netbsd_amd64.zip?direct) ]
+ * Architecture arm [ [linux](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_linux_arm.tar.gz?direct) / [freebsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_freebsd_arm.zip?direct) / [netbsd](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_netbsd_arm.zip?direct) ]
 
-Or by using deb packages (v0.2.0)
+Or by using deb packages (v0.2.1)
 
- * [ [i386](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_i386.deb?direct) / [amd64](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_amd64.deb?direct) / [armhf](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.0_armhf.deb?direct) ]
+ * [ [i386](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_i386.deb?direct) / [amd64](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_amd64.deb?direct) / [armhf](https://dl.bintray.com//content/pksunkara/utils/alpaca_0.2.1_armhf.deb?direct) ]
 
 Or by using golang (v1.2)
 
@@ -111,6 +111,7 @@ All the following fields are required unless mentioned.
 ```js
 {
   "base": "https://exampleapp.com", // Base URL of the api
+  "base_as_arg": true, // Force Base URL to be an argument in generated clients [optional] (default: false)
   "version": "v1", // Default version for the api (https://api.example.com{/version}/users) [optional]
   "no_verify_ssl": true, // Do not verify SSL cert [optional] (default: false)
   "authorization": { // Authorization strategies
@@ -142,12 +143,17 @@ All the following fields are required unless mentioned.
     "users": { // Name of a class of the api
       "args": ["login"], // Arguments required for the api class [optional]
       "profile": { // Name of a method of the api
-        "path": "/users/:login/profile", // Url of the api method
+        "path": "/users/:login/:type", // URL of the api method
         "method": "post", // HTTP method of the api method [optional] (default: get)
         "params": [ // Parameters for the api method [optional]
           {
-            "name": "bio", // Name of the parameter
-            "required": true // The parameter will become an argument of api method
+            "name": "type", // Name of the parameter
+            "required": true // The parameter will become an argument of api method [optional] (default: false)
+            "url_use": true // This parameter is only used to build url [optional] (default: false)
+          },
+          {
+            "name": "bio",
+            "required": true
           }
         ]
       }
diff --git a/alpaca/alpaca.go b/alpaca/alpaca.go
index 5966beb..9c1199d 100644
--- a/alpaca/alpaca.go
+++ b/alpaca/alpaca.go
@@ -9,7 +9,7 @@ import (
 )
 
 const (
-	Version = "0.2.0"
+	Version = "0.2.1"
 )
 
 var (