diff --git a/.gitignore b/.gitignore
index 28f1ba756..d25344b07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 node_modules
-.DS_Store
\ No newline at end of file
+.DS_Store
+build
+npm-debug.log
diff --git a/.npmignore b/.npmignore
index 88746ae67..644963b96 100644
--- a/.npmignore
+++ b/.npmignore
@@ -2,3 +2,5 @@
 .travis.yml
 appveyor.yml
 test
+lib
+npm-debug.log
diff --git a/.travis.yml b/.travis.yml
index e076df293..27e689a34 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ os:
 osx_image: xcode7.3
 language: node_js
 node_js:
+- '0.10'
+- '0.12'
 - '4'
 - '5'
 - '6'
@@ -14,3 +16,9 @@ cache:
 branches:
   only:
   - master
+before_install:
+  - nvm install stable
+script:
+  - npm run lint
+  - nvm use $TRAVIS_NODE_VERSION
+  - npm run unit-tests
diff --git a/appveyor.yml b/appveyor.yml
index 0e64c7dfa..b35382558 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,14 +4,22 @@ branches:
   only:
     - master
 
+environment:
+  matrix:
+  - nodejs_version: "0.10"
+  - nodejs_version: "0.12"
+  - nodejs_version: "4"
+  - nodejs_version: "5"
+  - nodejs_version: "6"
+
 skip_tags: true
 
 install:
-  - ps: Install-Product node LTS
+  - ps: Install-Product node $env:nodejs_version
   - npm install npm
   - .\node_modules\.bin\npm install
 
 test_script:
   - node --version
   - .\node_modules\.bin\npm --version
-  - .\node_modules\.bin\npm test
+  - .\node_modules\.bin\npm run unit-tests
diff --git a/cli.js b/lib/cli.js
similarity index 100%
rename from cli.js
rename to lib/cli.js
diff --git a/index.js b/lib/index.js
similarity index 100%
rename from index.js
rename to lib/index.js
diff --git a/package.json b/package.json
index df5b78646..30b48bc30 100644
--- a/package.json
+++ b/package.json
@@ -2,12 +2,15 @@
   "name": "electron-download",
   "version": "2.2.0",
   "description": "download electron prebuilt binary zips from github releases",
-  "main": "index.js",
+  "main": "build/index.js",
   "bin": {
-    "electron-download": "cli.js"
+    "electron-download": "build/cli.js"
   },
   "scripts": {
-    "test": "tape test/*.js && eslint ."
+    "prepublish": "babel --out-dir build lib",
+    "lint": "eslint lib test",
+    "unit-tests": "tape -r babel-register test/*.js",
+    "test": "npm run unit-tests && npm run lint"
   },
   "repository": {
     "type": "git",
@@ -25,12 +28,15 @@
     "home-path": "^1.0.1",
     "minimist": "^1.2.0",
     "nugget": "^2.0.0",
-    "path-exists": "^3.0.0",
+    "path-exists": "^2.1.0",
     "rc": "^1.1.2",
     "semver": "^5.3.0",
-    "sumchecker": "^1.1.0"
+    "sumchecker": "^1.2.0"
   },
   "devDependencies": {
+    "babel-cli": "^6.14.0",
+    "babel-preset-es2015": "^6.14.0",
+    "babel-register": "^6.14.0",
     "eslint": "^3.2.0",
     "eslint-config-standard": "^5.2.0",
     "eslint-plugin-promise": "^2.0.0",
@@ -48,5 +54,10 @@
       ]
     }
   },
+  "babel": {
+    "presets": [
+      "es2015"
+    ]
+  },
   "keywords": []
 }
diff --git a/test/test.js b/test/test.js
index ccaf6f397..1cd7979e8 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const download = require('..')
+const download = require('../lib/index')
 const test = require('tape')
 const verifyDownloadedZip = require('./helpers').verifyDownloadedZip
 
diff --git a/test/test_404.js b/test/test_404.js
index 28e1dba3a..0f2a43285 100644
--- a/test/test_404.js
+++ b/test/test_404.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const download = require('..')
+const download = require('../lib/index')
 const fs = require('fs')
 const test = require('tape')
 
diff --git a/test/test_symbols.js b/test/test_symbols.js
index 9f43770ac..f5919d9c8 100644
--- a/test/test_symbols.js
+++ b/test/test_symbols.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const download = require('..')
+const download = require('../lib/index')
 const test = require('tape')
 const verifyDownloadedZip = require('./helpers').verifyDownloadedZip
 
diff --git a/test/test_with_checksum.js b/test/test_with_checksum.js
index 9c5a042d8..84ceaa170 100644
--- a/test/test_with_checksum.js
+++ b/test/test_with_checksum.js
@@ -1,6 +1,6 @@
 'use strict'
 
-const download = require('..')
+const download = require('../lib/index')
 const test = require('tape')
 const verifyDownloadedZip = require('./helpers').verifyDownloadedZip