diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c1870cf..d36e1a8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,10 +12,9 @@ jobs:
         node-version:
           - 14
           - 12
-          - 10
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install
diff --git a/index.d.ts b/index.d.ts
index 275b37b..944a878 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -3,12 +3,10 @@ Detect whether the terminal supports Unicode.
 
 @example
 ```
-import isUnicodeSupported = require('is-unicode-supported');
+import isUnicodeSupported from 'is-unicode-supported';
 
 isUnicodeSupported();
 //=> true
 ```
 */
-declare function isUnicodeSupported(): boolean;
-
-export = isUnicodeSupported;
+export default function isUnicodeSupported(): boolean;
diff --git a/index.js b/index.js
index b5a11be..fca0d36 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,4 @@
-'use strict';
-
-module.exports = () => {
+export default function isUnicodeSupported() {
 	if (process.platform !== 'win32') {
 		return true;
 	}
@@ -10,4 +8,4 @@ module.exports = () => {
 		process.env.TERM_PROGRAM === 'vscode' ||
 		process.env.TERM === 'xterm-256color' ||
 		process.env.TERM === 'alacritty';
-};
+}
diff --git a/index.test-d.ts b/index.test-d.ts
index 636ca56..634fb85 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -1,4 +1,4 @@
 import {expectType} from 'tsd';
-import isUnicodeSupported = require('.');
+import isUnicodeSupported from './index.js';
 
 expectType<boolean>(isUnicodeSupported());
diff --git a/package.json b/package.json
index 17e4035..5d13355 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"
+		"node": ">=12"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -34,7 +36,7 @@
 		"detection"
 	],
 	"devDependencies": {
-		"ava": "^2.4.0",
+		"ava": "^3.15.0",
 		"tsd": "^0.14.0",
 		"xo": "^0.38.2"
 	}
diff --git a/readme.md b/readme.md
index a82e34d..d34064d 100644
--- a/readme.md
+++ b/readme.md
@@ -15,7 +15,7 @@ $ npm install is-unicode-supported
 ## Usage
 
 ```js
-const isUnicodeSupported = require('is-unicode-supported');
+import isUnicodeSupported from 'is-unicode-supported';
 
 isUnicodeSupported();
 //=> true