diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c1870cf..41fe626 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,6 @@ jobs:
         node-version:
           - 14
           - 12
-          - 10
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
diff --git a/index.js b/index.js
index dde3928..3166654 100644
--- a/index.js
+++ b/index.js
@@ -1,24 +1,23 @@
-'use strict';
-const path = require('path');
-const os = require('os');
-const fs = require('graceful-fs');
-const xdgBasedir = require('xdg-basedir');
-const writeFileAtomic = require('write-file-atomic');
-const dotProp = require('dot-prop');
-const uniqueString = require('unique-string');
-
-const configDirectory = xdgBasedir.config || path.join(os.tmpdir(), uniqueString());
+import path from 'path';
+import os from 'os';
+import fs from 'graceful-fs';
+import {xdgConfig} from 'xdg-basedir';
+import writeFileAtomic from 'write-file-atomic';
+import dotProp from 'dot-prop';
+import uniqueString from 'unique-string';
+
+const configDirectory = xdgConfig || path.join(os.tmpdir(), uniqueString());
 const permissionError = 'You don\'t have access to this file.';
 const mkdirOptions = {mode: 0o0700, recursive: true};
 const writeFileOptions = {mode: 0o0600};
 
-class Configstore {
+export default class Configstore {
 	constructor(id, defaults, options = {}) {
 		const pathPrefix = options.globalConfigPath ?
 			path.join(id, 'config.json') :
 			path.join('configstore', `${id}.json`);
 
-		this.path = options.configPath || path.join(configDirectory, pathPrefix);
+		this._path = options.configPath || path.join(configDirectory, pathPrefix);
 
 		if (defaults) {
 			this.all = {
@@ -30,7 +29,7 @@ class Configstore {
 
 	get all() {
 		try {
-			return JSON.parse(fs.readFileSync(this.path, 'utf8'));
+			return JSON.parse(fs.readFileSync(this._path, 'utf8'));
 		} catch (error) {
 			// Create directory if it doesn't exist
 			if (error.code === 'ENOENT') {
@@ -44,7 +43,7 @@ class Configstore {
 
 			// Empty the file if it encounters invalid JSON
 			if (error.name === 'SyntaxError') {
-				writeFileAtomic.sync(this.path, '', writeFileOptions);
+				writeFileAtomic.sync(this._path, '', writeFileOptions);
 				return {};
 			}
 
@@ -55,9 +54,9 @@ class Configstore {
 	set all(value) {
 		try {
 			// Make sure the folder exists as it could have been deleted in the meantime
-			fs.mkdirSync(path.dirname(this.path), mkdirOptions);
+			fs.mkdirSync(path.dirname(this._path), mkdirOptions);
 
-			writeFileAtomic.sync(this.path, JSON.stringify(value, undefined, '\t'), writeFileOptions);
+			writeFileAtomic.sync(this._path, JSON.stringify(value, undefined, '\t'), writeFileOptions);
 		} catch (error) {
 			// Improve the message of permission errors
 			if (error.code === 'EACCES') {
@@ -103,6 +102,8 @@ class Configstore {
 	clear() {
 		this.all = {};
 	}
-}
 
-module.exports = Configstore;
+	get path() {
+		return this._path;
+	}
+}
diff --git a/package.json b/package.json
index e9ce1db..f660511 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,10 @@
 		"email": "sindresorhus@gmail.com",
 		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=10.13"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -33,14 +35,17 @@
 		"save"
 	],
 	"dependencies": {
-		"dot-prop": "^5.2.0",
-		"graceful-fs": "^4.1.2",
-		"unique-string": "^2.0.0",
-		"write-file-atomic": "^3.0.0",
-		"xdg-basedir": "^4.0.0"
+		"dot-prop": "^6.0.1",
+		"graceful-fs": "^4.2.6",
+		"unique-string": "^3.0.0",
+		"write-file-atomic": "^3.0.3",
+		"xdg-basedir": "^5.0.1"
 	},
 	"devDependencies": {
-		"ava": "^2.1.0",
-		"xo": "^0.24.0"
+		"ava": "^3.15.0",
+		"xo": "^0.38.2"
+	},
+	"ava": {
+		"serial": true
 	}
 }
diff --git a/readme.md b/readme.md
index f5e84bf..356ea1f 100644
--- a/readme.md
+++ b/readme.md
@@ -6,7 +6,7 @@ The config is stored in a JSON file located in `$XDG_CONFIG_HOME` or `~/.config`
 Example: `~/.config/configstore/some-id.json`
 
 *If you need this for Electron, check out [`electron-store`](https://github.com/sindresorhus/electron-store) instead.*\
-*And check out [`conf`](https://github.com/sindresorhus/conf) for an updated approach to this concept.*
+*And check out [`conf`](https://github.com/sindresorhus/conf) for a more modern version of `configstore`.*
 
 ## Install
 
@@ -17,10 +17,11 @@ $ npm install configstore
 ## Usage
 
 ```js
-const Configstore = require('configstore');
-const packageJson = require('./package.json');
+import Configstore from 'configstore';
 
-// Create a Configstore instance
+const packageJson = JSON.parse(fs.readFileSync('./package.json', 'utf8'));
+
+// Create a Configstore instance.
 const config = new Configstore(packageJson.name, {foo: 'bar'});
 
 console.log(config.get('foo'));
@@ -30,7 +31,7 @@ config.set('awesome', true);
 console.log(config.get('awesome'));
 //=> true
 
-// Use dot-notation to access nested properties
+// Use dot-notation to access nested properties.
 config.set('bar.baz', true);
 console.log(config.get('bar'));
 //=> {baz: true}
diff --git a/test.js b/test.js
index 2007129..30c2f6a 100644
--- a/test.js
+++ b/test.js
@@ -1,8 +1,8 @@
 import fs from 'fs';
 import path from 'path';
 import os from 'os';
-import {serial as test} from 'ava';
-import Configstore from '.';
+import test from 'ava';
+import Configstore from './index.js';
 
 const configstorePath = new Configstore('configstore-test').path;