diff --git a/app/Http/Controllers/Admin/AuditionController.php b/app/Http/Controllers/Admin/AuditionController.php
index 4c0822b..f76f3b2 100644
--- a/app/Http/Controllers/Admin/AuditionController.php
+++ b/app/Http/Controllers/Admin/AuditionController.php
@@ -97,9 +97,9 @@ class AuditionController extends Controller
             'entry_deadline' => ['required', 'date'],
             'entry_fee' => ['required', 'numeric'],
             'minimum_grade' => ['required', 'integer'],
-            'maximum_grade' => 'required | numeric | gt:minimum_grade',
+            'maximum_grade' => 'required | numeric | gte:minimum_grade',
         ], [
-            'maximum_grade.gt' => 'The maximum grade must be greater than the minimum grade.',
+            'maximum_grade.gte' => 'The maximum grade must be greater than the minimum grade.',
         ]);
 
         $validData['for_seating'] = $request->get('for_seating') ? 1 : 0;