diff --git a/.github/funding.yml b/.github/funding.yml
deleted file mode 100644
index 1a630e9..0000000
--- a/.github/funding.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-github: sindresorhus
-open_collective: sindresorhus
-custom: https://sindresorhus.com/donate
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 18531b3..441975c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,13 +10,10 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
-          - 12
-          - 10
-          - 8
+          - 16
     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 4e34bd6..a1fd61d 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -3,12 +3,10 @@ Convert an absolute path to a tilde path: `/Users/sindresorhus/dev` → `~/dev`.
 
 @example
 ```
-import tildify = require('tildify');
+import tildify from 'tildify';
 
 tildify('/Users/sindresorhus/dev');
 //=> '~/dev'
 ```
 */
-declare function tildify(absolutePath: string): string;
-
-export = tildify;
+export default function tildify(absolutePath: string): string;
diff --git a/index.js b/index.js
index 78b53fb..017aa9e 100644
--- a/index.js
+++ b/index.js
@@ -1,13 +1,15 @@
-'use strict';
-const path = require('path');
-const os = require('os');
+import path from 'node:path';
+import os from 'node:os';
 
 const homeDirectory = os.homedir();
 
-module.exports = absolutePath => {
+export default function tildify(absolutePath) {
 	const normalizedPath = path.normalize(absolutePath) + path.sep;
 
-	return (normalizedPath.indexOf(homeDirectory) === 0 ?
-		normalizedPath.replace(homeDirectory + path.sep, `~${path.sep}`) :
-		normalizedPath).slice(0, -1);
-};
+	return (
+		normalizedPath.startsWith(homeDirectory)
+			? normalizedPath.replace(homeDirectory + path.sep, `~${path.sep}`)
+			: normalizedPath
+	)
+		.slice(0, -1);
+}
diff --git a/index.test-d.ts b/index.test-d.ts
index 4c97b08..715e0cf 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -1,4 +1,4 @@
 import {expectType} from 'tsd';
-import tildify = require('.');
+import tildify from './index.js';
 
 expectType<string>(tildify('/Users/sindresorhus/dev'));
diff --git a/package.json b/package.json
index a037143..8dcff95 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": ">=8"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -34,8 +36,8 @@
 		"convert"
 	],
 	"devDependencies": {
-		"ava": "^1.4.1",
-		"tsd": "^0.7.2",
-		"xo": "^0.24.0"
+		"ava": "^3.15.0",
+		"tsd": "^0.17.0",
+		"xo": "^0.44.0"
 	}
 }
diff --git a/readme.md b/readme.md
index b44d613..179df93 100644
--- a/readme.md
+++ b/readme.md
@@ -11,7 +11,7 @@ $ npm install tildify
 ## Usage
 
 ```js
-const tildify = require('tildify');
+import tildify from 'tildify';
 
 tildify('/Users/sindresorhus/dev');
 //=> '~/dev'
diff --git a/test.js b/test.js
index 6a08be7..e34ae08 100644
--- a/test.js
+++ b/test.js
@@ -1,8 +1,7 @@
-'use strict';
-const path = require('path');
-const os = require('os');
-const test = require('ava');
-const tildify = require('.');
+import path from 'node:path';
+import os from 'node:os';
+import test from 'ava';
+import tildify from './index.js';
 
 const homeDirectory = os.homedir();