diff --git a/app/Models/Device.php b/app/Models/Device.php
index 45d600f..e8c485d 100644
--- a/app/Models/Device.php
+++ b/app/Models/Device.php
@@ -28,6 +28,7 @@ class Device extends Model
         'active',
         'additional_info',
         'device_data',
+        'created_time',
     ];
 
     // Cast UUIDs and related IDs as strings
@@ -57,4 +58,4 @@ class Device extends Model
     {
         return $this->belongsTo(Customer::class, 'customer_id', 'id');
     }
-}
\ No newline at end of file
+}