diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index dc47f7c..928fff3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,7 +12,6 @@ jobs:
         node-version:
           - 18
           - 16
-          - 14
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
diff --git a/cli.js b/cli.js
index 7d54690..1e83b94 100755
--- a/cli.js
+++ b/cli.js
@@ -2,7 +2,6 @@
 import process from 'node:process';
 import meow from 'meow';
 import captureWebsite from 'capture-website';
-import arrify from 'arrify';
 import splitOnFirst from 'split-on-first';
 import getStdin from 'get-stdin';
 
@@ -166,6 +165,7 @@ const cli = meow(`
 		},
 		header: {
 			type: 'string',
+			isMultiple: true,
 		},
 		userAgent: {
 			type: 'string',
@@ -222,11 +222,13 @@ if (options.clip) {
 }
 
 options.headers = {};
-for (const header of arrify(options.header)) {
+for (const header of options.header) {
 	const [key, value] = header.split(':');
 	options.headers[key.trim()] = value.trim();
 }
 
+delete options.header;
+
 if (options.authentication) {
 	const [username, password] = splitOnFirst(options.authentication, ':');
 	options.authentication = {username, password};
@@ -256,7 +258,7 @@ if (options.inset) {
 
 options.isJavaScriptEnabled = options.javascript;
 
-(async () => {
+async function main() {
 	const {
 		internalPrintFlags,
 		listDevices,
@@ -288,4 +290,6 @@ options.isJavaScriptEnabled = options.javascript;
 	} else {
 		process.stdout.write(await captureWebsite.buffer(input, options));
 	}
-})();
+}
+
+await main();
diff --git a/package.json b/package.json
index 0856772..474f70a 100644
--- a/package.json
+++ b/package.json
@@ -41,17 +41,16 @@
 		"jpg"
 	],
 	"dependencies": {
-		"arrify": "^3.0.0",
-		"capture-website": "^3.0.0",
+		"capture-website": "^3.2.0",
 		"get-stdin": "^9.0.0",
-		"meow": "^10.1.3",
+		"meow": "^11.0.0",
 		"split-on-first": "^3.0.0"
 	},
 	"devDependencies": {
-		"ava": "^4.3.1",
+		"ava": "^5.2.0",
 		"create-test-server": "^3.0.1",
-		"execa": "^6.1.0",
-		"file-type": "^17.1.6",
-		"xo": "^0.51.0"
+		"execa": "^7.1.1",
+		"file-type": "^18.2.1",
+		"xo": "^0.54.1"
 	}
 }
diff --git a/test.js.md b/test.js.md
index 11a84ee..ea5ce42 100644
--- a/test.js.md
+++ b/test.js.md
@@ -32,7 +32,6 @@ Generated by [AVA](https://avajs.dev).
       element: '.main-content',
       emulateDevice: 'iPhone X',
       fullPage: false,
-      header: 'x-powered-by: capture-website-cli',
       headers: {
         'x-powered-by': 'capture-website-cli',
       },
diff --git a/test.js.snap b/test.js.snap
index 7f47039..7ec122b 100644
Binary files a/test.js.snap and b/test.js.snap differ