diff --git a/app/Http/Requests/PurchaseOrder/StorePurchaseOrderRequest.php b/app/Http/Requests/PurchaseOrder/StorePurchaseOrderRequest.php
index 74697c804ad0..91a312203354 100644
--- a/app/Http/Requests/PurchaseOrder/StorePurchaseOrderRequest.php
+++ b/app/Http/Requests/PurchaseOrder/StorePurchaseOrderRequest.php
@@ -59,6 +59,8 @@ class StorePurchaseOrderRequest extends Request
             $rules['file'] = $this->file_validation;
         }
 
+        $rules['status_id'] = 'nullable|integer|in:1,2,3,4,5';
+        
         return $rules;
     }
 
diff --git a/app/Http/Requests/PurchaseOrder/UpdatePurchaseOrderRequest.php b/app/Http/Requests/PurchaseOrder/UpdatePurchaseOrderRequest.php
index e504fea5c08b..e23fa91520b8 100644
--- a/app/Http/Requests/PurchaseOrder/UpdatePurchaseOrderRequest.php
+++ b/app/Http/Requests/PurchaseOrder/UpdatePurchaseOrderRequest.php
@@ -62,6 +62,8 @@ class UpdatePurchaseOrderRequest extends Request
             $rules['file'] = $this->file_validation;
         }
 
+        $rules['status_id'] = 'sometimes|integer|in:1,2,3,4,5';
+
         return $rules;
     }