diff --git a/src/types.ts b/src/types.ts
index 485ef33..45a3ce8 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -11,7 +11,7 @@ export const reviewSchema = object({
       (number) => (number! * 10) % 5 === 0,
     )
     .required(),
-  title: string().max(50).required(),
+  title: string().max(50).notRequired(),
   content: string().max(2000).notRequired(),
 });