diff --git a/README.md b/README.md
index 1dae87d..ee12827 100644
--- a/README.md
+++ b/README.md
@@ -17,20 +17,20 @@ is `class` v.s. `className`.
 With this package, you can do this:
 
 ```js
-var vnode = h('div', { class: 'my-class' })
+const vnode = h('div', { class: 'my-class' })
 ```
 
 Instead of this:
 
 ```js
-var vnode = h('div', { className: 'my-class' })
+const vnode = h('div', { className: 'my-class' })
 ```
 
 Works with [virtual-dom](https://www.npmjs.com/package/virtual-dom), [react](https://www.npmjs.com/package/react), [hyperscript](https://www.npmjs.com/package/hyperscript), or any DOM builder with a hyperscript-style API: `h(tagName, attrs, children)`.
 
 ## install
 
-```
+```bash
 npm install hyperscript-attribute-to-property
 ```
 
@@ -39,8 +39,10 @@ npm install hyperscript-attribute-to-property
 ###  example
 
 ```js
-var attrToProp = require('hyperscript-attribute-to-property')
-var h = attrToProp(require('virtual-dom/h'))
+import attrToProp from 'hyperscript-attribute-to-property'
+import pkg        from 'virtual-dom/h.js'
+
+const h = attrToProp(pkg)
 ```
 
 ### hyperx
diff --git a/index.js b/index.js
index 8b757ce..fe2a5d2 100644
--- a/index.js
+++ b/index.js
@@ -1,14 +1,12 @@
-module.exports = attributeToProperty
-
-var transform = {
+const transform = {
   class: 'className',
   for: 'htmlFor',
   'http-equiv': 'httpEquiv'
 }
 
-function attributeToProperty (h) {
+export default function attributeToProperty (h) {
   return function (tagName, attrs, children) {
-    for (var attr in attrs) {
+    for (const attr in attrs) {
       if (attr in transform) {
         attrs[transform[attr]] = attrs[attr]
         delete attrs[attr]
diff --git a/package.json b/package.json
index f9665ab..8820c31 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "hyperscript-attribute-to-property",
   "description": "Convert hyperscript attributes to properties",
   "version": "1.0.2",
+  "type": "module",
   "author": {
     "name": "Feross Aboukhadijeh",
     "email": "feross@feross.org",
diff --git a/test/basic.js b/test/basic.js
index 0da67a8..2f2f2c5 100644
--- a/test/basic.js
+++ b/test/basic.js
@@ -1,21 +1,23 @@
-var attrToProp = require('../')
-var h = attrToProp(require('virtual-dom/h'))
-var test = require('tape')
+import attrToProp from '../index.js'
+import pkg from 'virtual-dom/h.js'
+import test from 'tape'
+
+const h = attrToProp(pkg)
 
 test('class -> className', function (t) {
-  var vnode = h('div', { class: 'value' })
+  const vnode = h('div', { class: 'value' })
   t.equal(vnode.properties.className, 'value')
   t.end()
 })
 
 test('for -> htmlFor', function (t) {
-  var vnode = h('div', { for: 'value' })
+  const vnode = h('div', { for: 'value' })
   t.equal(vnode.properties.htmlFor, 'value')
   t.end()
 })
 
 test('http-equiv -> httpEquiv', function (t) {
-  var vnode = h('div', { 'http-equiv': 'value' })
+  const vnode = h('div', { 'http-equiv': 'value' })
   t.equal(vnode.properties.httpEquiv, 'value')
   t.end()
 })