diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 346585c..6ab9e0a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,8 +10,9 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 24
+          - 22
           - 20
-          - 18
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
diff --git a/index.js b/index.js
index f713b9b..4f21f12 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,7 @@ export default async function pMap(
 		signal,
 	} = {},
 ) {
-	return new Promise((resolve_, reject_) => {
+	return new Promise((_resolve, _reject) => {
 		if (iterable[Symbol.iterator] === undefined && iterable[Symbol.asyncIterator] === undefined) {
 			throw new TypeError(`Expected \`input\` to be either an \`Iterable\` or \`AsyncIterable\`, got (${typeof iterable})`);
 		}
@@ -39,14 +39,14 @@ export default async function pMap(
 		};
 
 		const resolve = value => {
-			resolve_(value);
+			_resolve(value);
 			cleanup();
 		};
 
 		const reject = reason => {
 			isRejected = true;
 			isResolved = true;
-			reject_(reason);
+			_reject(reason);
 			cleanup();
 		};
 
diff --git a/index.test-d.ts b/index.test-d.ts
index 7cf4f99..41fae76 100644
--- a/index.test-d.ts
+++ b/index.test-d.ts
@@ -1,5 +1,10 @@
 import {expectType, expectAssignable} from 'tsd';
-import pMap, {pMapIterable, type Options, type Mapper, pMapSkip} from './index.js';
+import pMap, {
+	pMapIterable,
+	type Options,
+	type Mapper,
+	pMapSkip,
+} from './index.js';
 
 const sites = [
 	'https://sindresorhus.com',
diff --git a/package.json b/package.json
index 6401a2a..844bf2e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
 	},
 	"sideEffects": false,
 	"engines": {
-		"node": ">=18"
+		"node": ">=20.17"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -52,6 +52,6 @@
 		"random-int": "^3.0.0",
 		"time-span": "^5.1.0",
 		"tsd": "^0.29.0",
-		"xo": "^0.56.0"
+		"xo": "^1.2.3"
 	}
 }
diff --git a/test.js b/test.js
index 484bfeb..6f3f9d6 100644
--- a/test.js
+++ b/test.js
@@ -205,16 +205,15 @@ test('all pMapSkips', async t => {
 test('all mappers should run when concurrency is infinite, even after stop-on-error happened', async t => {
 	const input = [1, async () => delay(300, {value: 2}), 3];
 	const mappedValues = [];
-	await t.throwsAsync(
-		pMap(input, async value => {
-			value = typeof value === 'function' ? await value() : value;
-			mappedValues.push(value);
-			if (value === 1) {
-				await delay(100);
-				throw new Error('Oops!');
-			}
-		}),
-	);
+	const promise = pMap(input, async value => {
+		value = typeof value === 'function' ? await value() : value;
+		mappedValues.push(value);
+		if (value === 1) {
+			await delay(100);
+			throw new Error('Oops!');
+		}
+	});
+	await t.throwsAsync(promise);
 	await delay(500);
 	t.deepEqual(mappedValues, [1, 3, 2]);
 });
@@ -468,15 +467,12 @@ test('no unhandled rejected promises from mapper throws - infinite concurrency',
 test('no unhandled rejected promises from mapper throws - concurrency 1', async t => {
 	const input = [1, 2, 3];
 	const mappedValues = [];
-	await t.throwsAsync(
-		pMap(input, async value => {
-			mappedValues.push(value);
-			await delay(100);
-			throw new Error(`Oops! ${value}`);
-		},
-		{concurrency: 1}),
-		{message: 'Oops! 1'},
-	);
+	const promise = pMap(input, async value => {
+		mappedValues.push(value);
+		await delay(100);
+		throw new Error(`Oops! ${value}`);
+	}, {concurrency: 1});
+	await t.throwsAsync(promise, {message: 'Oops! 1'});
 	t.deepEqual(mappedValues, [1]);
 });