diff --git a/.travis.yml b/.travis.yml
index 4f2c682..16cf722 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
-sudo: false
+sudo: true
+dist: trusty
 
 language: node_js
 
 node_js:
-  - "8.11.1"
+  - "8.11.4"
 
 
 addons:
@@ -20,7 +21,7 @@ before_install:
        export CXX="clang++-3.5";
        export CC="clang-3.5";
     fi;
-  - npm install -g npm@5.6.0
+  - npm install -g npm@6.4.0
 
 
 install:
diff --git a/README.md b/README.md
index 4efe989..dab0f4a 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ This is a part of [Node3D](https://github.com/node-3d) project.
 
 ![Build Status](https://api.travis-ci.org/node-3d/addon-tools-raub.svg?branch=master)
 
+> npm i -s addon-tools-raub
+
 
 ## Synopsis
 
@@ -15,7 +17,7 @@ Helpers for Node.js addons and dependency packages:
 * `EventEmitter` C++ implementation.
 * C++ macros and shortcuts.
 * Crossplatform commands for GYP: `cp`, `rm`, `mkdir`.
-* Regarded platforms: win x32/x64, linux x32/x64, mac x64.
+* Regarded platforms: win x32/x64, linux x64, mac x64.
 
 Useful links: [V8 Ref](https://v8.paulfryzel.com/docs/master/),
 [Nan Docs](https://github.com/nodejs/nan#api),
@@ -136,7 +138,6 @@ would encourage you to abide by the following rules:
 	
 	* bin-win32
 	* bin-win64
-	* bin-linux32
 	* bin-linux64
 	* bin-mac64
 	
@@ -515,7 +516,7 @@ NAN_METHOD(test) {
 	...
 ```
 
-NOTE: The conversion from `Nan::Utf8String` to `std::string` (via `char *`)
+> Note: The conversion from `Nan::Utf8String` to `std::string` (via `char *`)
 is possible with unary `*` operator.
 
 </details>
diff --git a/examples/deps/bin-linux32/.keep b/examples/deps/bin-linux32/.keep
deleted file mode 100644
index e69de29..0000000
diff --git a/index.js b/index.js
index 3640ec9..5b34da5 100644
--- a/index.js
+++ b/index.js
@@ -18,8 +18,16 @@ const prefixName = name => `bin-${name}`;
 const getPlatformDir = platform => {
 	switch (platform) {
 		case 'win32' : return process.arch === 'x64' ? 'win64' : 'win32';
-		case 'linux' : return process.arch === 'x64' ? 'linux64' : 'linux32';
-		case 'darwin' : return 'mac64';
+		case 'linux' :
+			if (process.arch === 'x32') {
+				throw new Error('Linux x32 not supported since 4.0.0.');
+			}
+			return 'linux64';
+		case 'darwin' :
+			if (process.arch === 'x32') {
+				throw new Error('Mac x32 not supported.');
+			}
+			return 'mac64';
 		default : throw new Error(`Platform "${platform}" is not supported.`);
 	}
 };
diff --git a/package.json b/package.json
index f97b26c..e59372b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"author": "Luis Blanco <luisblanco1337@gmail.com>",
 	"name": "addon-tools-raub",
-	"version": "3.0.0",
+	"version": "4.0.0",
 	"description": "Helpers for Node.js addons and dependency packages",
 	"license": "MIT",
 	"main": "index.js",
@@ -19,7 +19,7 @@
 		"gyp"
 	],
 	"engines": {
-		"node": ">=8.11.2",
+		"node": ">=8.11.4",
 		"npm": ">=5.6.0"
 	},
 	"maintainers": [
@@ -34,6 +34,6 @@
 		"url": "https://github.com/node-3d/addon-tools-raub.git"
 	},
 	"dependencies": {
-		"nan": "~2.10.0"
+		"nan": "2.11.0"
 	}
 }