diff --git a/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/repository/ClassroomAnnouncementRepository.kt b/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/repository/ClassroomAnnouncementRepository.kt
index dd3ea7d7..29c3d6f8 100644
--- a/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/repository/ClassroomAnnouncementRepository.kt
+++ b/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/repository/ClassroomAnnouncementRepository.kt
@@ -6,5 +6,5 @@ import org.springframework.data.jpa.repository.JpaRepository
 interface ClassroomAnnouncementRepository: JpaRepository<ClassroomAnnouncement,Long> {
     fun findTopByClassroomIdOrderByCreatedAtDesc(classroomId : Long) : ClassroomAnnouncement?
 
-    fun findAllByClassroomId(classroomId : Long) : List<ClassroomAnnouncement>
+    fun findAllByClassroomIdOrderByCreatedAtDesc(classroomId : Long) : List<ClassroomAnnouncement>
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/service/ClassroomAnnouncementReader.kt b/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/service/ClassroomAnnouncementReader.kt
index fd48fe64..68078d02 100644
--- a/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/service/ClassroomAnnouncementReader.kt
+++ b/src/main/kotlin/com/asap/asapbackend/domain/classroom/domain/service/ClassroomAnnouncementReader.kt
@@ -15,7 +15,7 @@ class ClassroomAnnouncementReader(
     }
 
     fun findAllByClassroomId(classroomId: Long): List<ClassroomAnnouncement> {
-        return classroomAnnouncementRepository.findAllByClassroomId(classroomId)
+        return classroomAnnouncementRepository.findAllByClassroomIdOrderByCreatedAtDesc(classroomId)
     }
 
     fun findById(classroomAnnouncementId: Long) : ClassroomAnnouncement {