diff --git a/src/main/java/com/daramg/server/post/dto/PostCreateDto.kt b/src/main/java/com/daramg/server/post/dto/PostCreateDto.kt
index e436aab..d973668 100644
--- a/src/main/java/com/daramg/server/post/dto/PostCreateDto.kt
+++ b/src/main/java/com/daramg/server/post/dto/PostCreateDto.kt
@@ -8,7 +8,7 @@ import jakarta.validation.constraints.Size
 
 sealed class PostCreateDto(
     @get:NotBlank(message = "제목은 필수입니다")
-    @get:Size(max = 15, message = "제목은 15자를 초과할 수 없습니다")
+    @get:Size(max = 40, message = "제목은 40자를 초과할 수 없습니다")
     @get:NoBadWords
     open val title: String,
 
diff --git a/src/main/java/com/daramg/server/post/dto/PostUpdateDto.kt b/src/main/java/com/daramg/server/post/dto/PostUpdateDto.kt
index ce36416..459a767 100644
--- a/src/main/java/com/daramg/server/post/dto/PostUpdateDto.kt
+++ b/src/main/java/com/daramg/server/post/dto/PostUpdateDto.kt
@@ -5,7 +5,7 @@ import com.daramg.server.post.domain.PostStatus
 import jakarta.validation.constraints.Size
 
 sealed class PostUpdateDto (
-    @get:Size(max=15, message = "제목은 15자를 초과할 수 없습니다")
+    @get:Size(max=40, message = "제목은 40자를 초과할 수 없습니다")
     @get:NoBadWords
     open val title: String?,