diff --git a/src/Contracts/Future/CanFindByAnyKey.php b/src/Contracts/Future/CanFindByAnyKey.php
index 56cf77c1..7c280dc8 100644
--- a/src/Contracts/Future/CanFindByAnyKey.php
+++ b/src/Contracts/Future/CanFindByAnyKey.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Contracts\Future;
 
 use Stancl\Tenancy\Exceptions\TenantDoesNotExistException;