diff --git a/.babelrc b/.babelrc
new file mode 100644
index 0000000..efbacd7
--- /dev/null
+++ b/.babelrc
@@ -0,0 +1,4 @@
+{
+  "presets": ["es2015"],
+  "plugins": ["add-module-exports"],
+}
diff --git a/.gitignore b/.gitignore
index 3c3629e..491fc35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 node_modules
+lib
diff --git a/es/index.js b/es/index.js
new file mode 100644
index 0000000..dacce17
--- /dev/null
+++ b/es/index.js
@@ -0,0 +1,11 @@
+/* global window */
+import ponyfill from './ponyfill';
+
+let root = this;
+if (typeof global !== 'undefined') {
+	root = global;
+} else if (typeof window !== 'undefined') {
+	root = window;
+}
+
+export default ponyfill(root);
diff --git a/ponyfill.js b/es/ponyfill.js
similarity index 78%
rename from ponyfill.js
rename to es/ponyfill.js
index b81f36c..95dedc2 100644
--- a/ponyfill.js
+++ b/es/ponyfill.js
@@ -1,6 +1,4 @@
-'use strict';
-
-module.exports = function symbolObservablePonyfill(root) {
+export default function symbolObservablePonyfill(root) {
 	var result;
 	var Symbol = root.Symbol;
 
diff --git a/index.js b/index.js
index 25cff4b..2291cd8 100644
--- a/index.js
+++ b/index.js
@@ -1,10 +1 @@
-/* global window */
-'use strict';
-
-var root = this;
-if (typeof global !== 'undefined') {
-	root = global;
-} else if (typeof window !== 'undefined') {
-	root = window;
-}
-module.exports = require('./ponyfill')(root);
\ No newline at end of file
+module.exports = require('./lib/');
diff --git a/package.json b/package.json
index 49ff105..fd6ff64 100644
--- a/package.json
+++ b/package.json
@@ -12,12 +12,18 @@
     "node": ">=0.10.0"
   },
   "scripts": {
-    "test": "mocha"
+    "build": "babel es --out-dir lib",
+    "test": "npm run build && mocha",
+    "prepublish": "npm test"
   },
   "files": [
     "index.js",
     "ponyfill.js",
-    "index.d.ts"
+    "index.d.ts",
+    "es/index.js",
+    "es/ponyfill/js",
+    "lib/index.js",
+    "lib/ponyfill.js"
   ],
   "keywords": [
     "symbol",
@@ -28,6 +34,9 @@
     "shim"
   ],
   "devDependencies": {
+    "babel-cli": "^6.9.0",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-preset-es2015": "^6.9.0",
     "chai": "^3.5.0",
     "mocha": "^2.4.5"
   }
diff --git a/test/ponyfill.js b/test/ponyfill.js
index aecb08f..617e37c 100644
--- a/test/ponyfill.js
+++ b/test/ponyfill.js
@@ -1,6 +1,6 @@
 /* global describe, it */
 var expect = require('chai').expect;
-var ponyfill = require('../ponyfill');
+var ponyfill = require('../lib/ponyfill');
 
 describe('ponyfill unit tests', function () {
   describe('when Symbol does NOT exist as a function', function () {