diff --git a/app/Http/Controllers/CategoryController.php b/app/Http/Controllers/CategoryController.php
index e665bf9..114fd85 100644
--- a/app/Http/Controllers/CategoryController.php
+++ b/app/Http/Controllers/CategoryController.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace App\Http\Controllers;
 
 use App\Http\Resources\CategoryCollection;