diff --git a/tests/Application/tmp/Sylius/State/BookItemProvider.php b/tests/Application/tmp/Sylius/State/BookItemProvider.php
index 46c01c9ea..d246cb744 100644
--- a/tests/Application/tmp/Sylius/State/BookItemProvider.php
+++ b/tests/Application/tmp/Sylius/State/BookItemProvider.php
@@ -1,5 +1,16 @@
 <?php
 
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Paweł Jędrzejewski
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
 namespace App\Tests\Tmp\Sylius\State;
 
 use Sylius\Component\Resource\Context\Context;