diff --git a/src/Database/Concerns/MaintenanceMode.php b/src/Database/Concerns/MaintenanceMode.php
index af04be0c..41053a4e 100644
--- a/src/Database/Concerns/MaintenanceMode.php
+++ b/src/Database/Concerns/MaintenanceMode.php
@@ -10,7 +10,7 @@ use Stancl\Tenancy\Events\TenantWentInMaintenanceMode;
 
 trait MaintenanceMode
 {
-    public function putDownForMaintenance($data = [])
+    public function putDownForMaintenance($data = []): void
     {
         event(new TenantGoingInMaintenanceMode($this));