diff --git a/server/src/schema/commodity.js b/server/src/schema/commodity.js
index 8b3d800..12b3a94 100644
--- a/server/src/schema/commodity.js
+++ b/server/src/schema/commodity.js
@@ -2,7 +2,7 @@ import Joi from "@hapi/joi";
 import { categoryNameReq, categoryName } from "./categories.js";
 import { name as supplier_name } from "./suppliers.js";
 
-export const barcode = Joi.string().min(1).max(20);
+export const barcode = Joi.string().min(1).max(40);
 export const name = Joi.string().min(1).max(50);
 export const unit = Joi.string().min(1).max(10);
 export const size = Joi.string().min(1).max(30);
@@ -53,4 +53,4 @@ export const updateCommoditySchema = Joi.object({
 
 export const deleteCommoditySchema = Joi.object({
     barcode: barcode.required()
-});
\ No newline at end of file
+});