Nette 2.3.7 parse error, unexpected ‚class‘

Ahoj nainstaloval jsem si Nette 2.3.7 mam PHP 5.4.40
a po spusteni webu se mi zobrazi Parse error: syntax error, unexpected ‚class‘ (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or ‚{‘ or ‚$‘ in /web-project/www/index.php on line 4

<?php

$container = require __DIR__ . '/../app/bootstrap.php';
$container->getByType(Nette\Application\Application::class)->run();