diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index fc8dcb85..3350b8ee 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -7,12 +7,22 @@
 $ git clone https://github.com/YOUR_USERNAME/InversifyJS.git
 ```
 
-2 - Install npm dependencies:
+2 - Install typings:
+```
+$ npm install -g typings
+```
+
+3 - Install type definitions:
+```
+$ typings install
+```
+
+4 - Install npm dependencies:
 ```
 $ npm install
 ```
 
-4 - Run build process
+5 - Run build process
 ```
 $ gulp
 ```
diff --git a/README.md b/README.md
index e4d2f36f..3772fe6a 100644
--- a/README.md
+++ b/README.md
@@ -184,7 +184,7 @@ var ninja = kernel.get(TYPES.Ninja);
 return ninja;
 ```
 
-### Features (v2.0.0 alpha.3)
+### Features (v2.0.0-alpha.6)
 Let's take a look to the InversifyJS features!
 
 #### Declaring kernel modules
diff --git a/package.json b/package.json
index 774ab86d..e37b5bd4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "inversify",
-  "version": "2.0.0-alpha.5",
+  "version": "2.0.0-alpha.6",
   "description": "A lightweight IoC container written in TypeScript.",
   "main": "dist/inversify.js",
   "directories": {
@@ -8,7 +8,6 @@
   },
   "scripts": {
     "test": "gulp",
-    "preinstall": "npm install typings && typings install",
     "prepublish": "gulp build && gulp test"
   },
   "repository": {
diff --git a/type_definitions/inversify/inversify.d.ts b/type_definitions/inversify/inversify.d.ts
index dbecab91..e9a45ead 100644
--- a/type_definitions/inversify/inversify.d.ts
+++ b/type_definitions/inversify/inversify.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for inversify 2.0.0-alpha.5
+// Type definitions for inversify 2.0.0-alpha.6
 // Project: https://github.com/inversify/InversifyJS
 // Definitions by: inversify <https://github.com/inversify>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped