diff --git a/app/Validators/Lesson/CreateLessonValidator.ts b/app/Validators/Lesson/CreateLessonValidator.ts
index a8a8c95..64d5de1 100644
--- a/app/Validators/Lesson/CreateLessonValidator.ts
+++ b/app/Validators/Lesson/CreateLessonValidator.ts
@@ -16,7 +16,7 @@ export default class CreateLessonValidator {
     }),
     materials: schema.array.optional().members(
       schema.file({
-        size: '10mb',
+        size: '100mb',
         extnames: ['pdf', 'zip', 'rar', 'doc', 'docx'],
       })
     ),