diff --git a/src/Entity/Apikey.php b/src/Entity/Apikey.php
index a2d8325..ba915b1 100644
--- a/src/Entity/Apikey.php
+++ b/src/Entity/Apikey.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 namespace App\Entity;