diff --git a/src/Database/TenantDatabaseManagers/TenantDatabaseManager.php b/src/Database/TenantDatabaseManagers/TenantDatabaseManager.php
index f0751f0d..b7dd15fa 100644
--- a/src/Database/TenantDatabaseManagers/TenantDatabaseManager.php
+++ b/src/Database/TenantDatabaseManagers/TenantDatabaseManager.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Stancl\Tenancy\Database\TenantDatabaseManagers;
 
 use Illuminate\Database\Connection;