diff --git a/app/Http/Requestes/RiceShrimpFlowStoreRequest.php b/app/Http/Requestes/RiceShrimpFlowStoreRequest.php
index 7fdcfd8..2f649ff 100644
--- a/app/Http/Requestes/RiceShrimpFlowStoreRequest.php
+++ b/app/Http/Requestes/RiceShrimpFlowStoreRequest.php
@@ -17,7 +17,7 @@ class RiceShrimpFlowStoreRequest extends FormRequest
         return [
             'year' => ['required', 'int'],
             'quarter' => ['required', new Quarter()],
-            'area' => ['required', 'int'],
+            'area' => ['required', 'string'],
             'sales' => ['required', 'int', 'min:0'],
         ];
     }
diff --git a/app/Http/Requestes/RiceShrimpFlowUpdateRequest.php b/app/Http/Requestes/RiceShrimpFlowUpdateRequest.php
index 0a381b4..2195ac4 100644
--- a/app/Http/Requestes/RiceShrimpFlowUpdateRequest.php
+++ b/app/Http/Requestes/RiceShrimpFlowUpdateRequest.php
@@ -17,7 +17,7 @@ class RiceShrimpFlowUpdateRequest extends FormRequest
         return [
             'year' => ['filled', 'int'],
             'quarter' => ['filled', new Quarter()],
-            'area' => ['filled', 'int'],
+            'area' => ['filled', 'string'],
             'sales' => ['filled', 'int', 'min:0'],
         ];
     }