diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..4a7ea30
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..176a458
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 1aa2d59..0000000
--- a/.npmignore
+++ /dev/null
@@ -1,8 +0,0 @@
-.gitignore
-
-node_modules/
-
-test/
-.travis.yml
-
-gulpfile.js
diff --git a/gulpfile.js b/gulpfile.js
deleted file mode 100644
index 888b8b0..0000000
--- a/gulpfile.js
+++ /dev/null
@@ -1,16 +0,0 @@
-var gulp = require('gulp');
-
-gulp.task('lint', function () {
-  var eslint = require('gulp-eslint');
-  return gulp.src(['index.js', 'test/*.js', 'gulpfile.js'])
-    .pipe(eslint())
-    .pipe(eslint.format())
-    .pipe(eslint.failAfterError());
-});
-
-gulp.task('test', function () {
-  var mocha = require('gulp-mocha');
-  return gulp.src('test/*.js', { read: false }).pipe(mocha());
-});
-
-gulp.task('default', ['lint', 'test']);
diff --git a/index.js b/index.js
index 4ecfc16..8a08db4 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@ var postcss = require('postcss');
 module.exports = postcss.plugin('mahogany', function () {
   return function (css) {
     css.walkDecls(function (decl) {
-        decl.important = true;
+      decl.important = true;
     });
   };
 });
diff --git a/package.json b/package.json
index 8221edb..4a86caf 100644
--- a/package.json
+++ b/package.json
@@ -2,27 +2,33 @@
   "name": "mahogany",
   "version": "0.0.2",
   "description": "PostCSS plugin that lets everyone know how important your CSS is",
+  "license": "MIT",
+  "repository": "conceptualitis/mahogany",
+  "author": "Neil Duffy <neiladuffy@gmail.com>",
+  "engines": {
+    "node": ">=0.12.0"
+  },
   "keywords": [
+    "postcss-plugin",
     "postcss",
     "css",
-    "postcssplugin",
     "important"
   ],
-  "author": "Neil Duffy <neiladuffy@gmail.com>",
-  "license": "MIT",
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/conceptualitis/mahogany.git"
+  "scripts": {
+    "pretest": "xo",
+    "test": "ava"
   },
+  "files": [
+    "index.js"
+  ],
   "dependencies": {
     "postcss": "^5.0.16"
   },
   "devDependencies": {
-    "gulp-mocha": "2.0.1",
-    "chai": "2.2.0",
-    "gulp": "3.8.11"
+    "ava": "^0.12.0",
+    "xo": "^0.12.1"
   },
-  "scripts": {
-    "test": "gulp test"
+  "xo": {
+    "space": 2
   }
 }
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..54081f6
--- /dev/null
+++ b/test.js
@@ -0,0 +1,18 @@
+import test from 'ava';
+import mahogany from './';
+
+function run(input, output, t) {
+  t.is(mahogany.process(input).css, output);
+}
+
+test('much transform, very important', t => run(
+  'a { color: red; font-size: 12px; } b { font-weight: 400; }',
+  'a { color: red !important; font-size: 12px !important; } b { font-weight: 400 !important; }',
+  t
+));
+
+test('much transform, too much important', t => run(
+  'a { color: red !important; } b { font-weight: 400; }',
+  'a { color: red !important; } b { font-weight: 400 !important; }',
+  t
+));
diff --git a/test/test.js b/test/test.js
deleted file mode 100644
index 290e427..0000000
--- a/test/test.js
+++ /dev/null
@@ -1,23 +0,0 @@
-var postcss = require('postcss');
-var expect  = require('chai').expect;
-
-var plugin = require('../');
-
-var test = function (input, output, done) {
-  postcss([ plugin() ]).process(input).then(function (result) {
-    expect(result.css).to.eql(output);
-      done();
-  });
-};
-
-describe('mahogany', function () {
-  it('much transform, very important', function (done) {
-    test('a { color: red; font-size: 12px; } b { font-weight: 400; }',
-          'a { color: red !important; font-size: 12px !important; } b { font-weight: 400 !important; }', done);
-  });
-
-  it('much transform, too much important', function (done) {
-    test('a { color: red !important; } b { font-weight: 400; }',
-         'a { color: red !important; } b { font-weight: 400 !important; }', done);
-  });
-});