diff --git a/app/Http/Controllers/ServerController.php b/app/Http/Controllers/ServerController.php
index e3bfd66..a3101e1 100644
--- a/app/Http/Controllers/ServerController.php
+++ b/app/Http/Controllers/ServerController.php
@@ -251,7 +251,8 @@ class ServerController extends Controller
             'location_id' => 'numeric',
             'price' => 'numeric',
             'cpu' => 'numeric',
-            'was_promo' => 'numeric'
+            'was_promo' => 'numeric',
+            'next_due_date' => 'date'
         ]);