Livewire Component passing variable to Blade Error

<?php

namespace App\Http\Livewire;

use Livewire\Component;

class Announcement extends Component
{
    public $message = '';

    public function render()
    {
        return view('livewire.announcement', [
            'message' => 'This is a test announcement!'
        ]);
    }
}

<div>
    <div>
        <h1>Announcement</h1>
        <h1>{{ $message }}</h1>
    </div>
</div>