diff --git a/src/Listeners/CreateTenantConnection.php b/src/Listeners/CreateTenantConnection.php
index b487b876..987a8804 100644
--- a/src/Listeners/CreateTenantConnection.php
+++ b/src/Listeners/CreateTenantConnection.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Listeners;
 
 use Stancl\Tenancy\Database\DatabaseManager;