diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fcadac3..e5c4df3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,9 +10,8 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 20
           - 18
-          - 16
-          - 14
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
diff --git a/cli.js b/cli.js
index 7594dbb..5e98580 100755
--- a/cli.js
+++ b/cli.js
@@ -82,12 +82,12 @@ async function init() {
 		appInfo = plist.parse(stdout);
 	}
 
-	const appName = appInfo.CFBundleDisplayName || appInfo.CFBundleName;
+	const appName = appInfo.CFBundleDisplayName ?? appInfo.CFBundleName;
 	if (!appName) {
 		throw new Error('The app must have `CFBundleDisplayName` or `CFBundleName` defined in its `Info.plist`.');
 	}
 
-	const dmgTitle = cli.flags.dmgTitle || appName;
+	const dmgTitle = cli.flags.dmgTitle ?? appName;
 	const dmgFilename = `${appName} ${appInfo.CFBundleShortVersionString}.dmg`;
 	const dmgPath = path.join(destinationPath, dmgFilename);
 
@@ -110,7 +110,6 @@ async function init() {
 		composedIconPath = await composeIcon(path.join(appPath, 'Contents/Resources', `${appIconName}.icns`));
 	}
 
-	// Xcode 14+ only supports building apps for macOS 10.13+
 	const dmgFormat = 'ULFO'; // ULFO requires macOS 10.11+
 	const dmgFilesystem = 'APFS'; // APFS requires macOS 10.13+
 
@@ -212,6 +211,6 @@ async function init() {
 try {
 	await init();
 } catch (error) {
-	ora.fail((error && error.stack) || error);
+	ora.fail(error?.stack || error);
 	process.exit(1);
 }
diff --git a/package.json b/package.json
index 50e0a6a..6ee8ed9 100644
--- a/package.json
+++ b/package.json
@@ -14,9 +14,8 @@
 	"bin": {
 		"create-dmg": "./cli.js"
 	},
-	"sideEffects": false,
 	"engines": {
-		"node": ">=14.16"
+		"node": ">=18"
 	},
 	"scripts": {
 		"test": "ava"
@@ -44,16 +43,16 @@
 	],
 	"dependencies": {
 		"appdmg": "^0.6.6",
-		"execa": "^6.1.0",
+		"execa": "^8.0.1",
 		"gm": "^1.25.0",
 		"icns-lib": "^1.0.1",
-		"meow": "^11.0.0",
-		"ora": "^6.1.2",
-		"plist": "^3.0.6",
-		"tempy": "^3.0.0"
+		"meow": "^13.1.0",
+		"ora": "^8.0.1",
+		"plist": "^3.1.0",
+		"tempy": "^3.1.0"
 	},
 	"devDependencies": {
-		"ava": "^5.2.0",
-		"xo": "^0.53.1"
+		"ava": "^6.1.1",
+		"xo": "^0.56.0"
 	}
 }
diff --git a/readme.md b/readme.md
index 1426461..afb635b 100644
--- a/readme.md
+++ b/readme.md
@@ -10,7 +10,7 @@ Imagine you have finished a macOS app, exported it from Xcode, and now want to d
 
 ## Install
 
-Ensure you have [Node.js](https://nodejs.org) 14 or later installed. Then run the following:
+Ensure you have [Node.js](https://nodejs.org) 18 or later installed. Then run the following:
 
 ```sh
 npm install --global create-dmg
diff --git a/test.js b/test.js
index c10d686..3ae3ecc 100644
--- a/test.js
+++ b/test.js
@@ -11,7 +11,7 @@ test('main', async t => {
 	const cwd = temporaryDirectory();
 
 	try {
-		await execa(path.join(__dirname, 'cli.js'), [path.join(__dirname, 'fixtures/Fixture.app')], {cwd});
+		await execa(path.join(__dirname, 'cli.js'), ['--identity=0', path.join(__dirname, 'fixtures/Fixture.app')], {cwd});
 	} catch (error) {
 		// Silence code signing failure
 		if (!error.message.includes('No suitable code signing')) {
@@ -26,7 +26,7 @@ test('binary plist', async t => {
 	const cwd = temporaryDirectory();
 
 	try {
-		await execa(path.join(__dirname, 'cli.js'), [path.join(__dirname, 'fixtures/Fixture-with-binary-plist.app')], {cwd});
+		await execa(path.join(__dirname, 'cli.js'), ['--identity=0', path.join(__dirname, 'fixtures/Fixture-with-binary-plist.app')], {cwd});
 	} catch (error) {
 		// Silence code signing failure
 		if (!error.message.includes('No suitable code signing')) {
@@ -41,7 +41,7 @@ test('app without icon', async t => {
 	const cwd = temporaryDirectory();
 
 	try {
-		await execa(path.join(__dirname, 'cli.js'), [path.join(__dirname, 'fixtures/Fixture-no-icon.app')], {cwd});
+		await execa(path.join(__dirname, 'cli.js'), ['--identity=0', path.join(__dirname, 'fixtures/Fixture-no-icon.app')], {cwd});
 	} catch (error) {
 		// Silence code signing failure
 		if (!error.message.includes('No suitable code signing')) {