diff --git a/src/main/kotlin/com/depromeet/makers/infrastructure/gateway/NotificationGatewayImpl.kt b/src/main/kotlin/com/depromeet/makers/infrastructure/gateway/NotificationGatewayImpl.kt
index 8ce6a93..9560577 100644
--- a/src/main/kotlin/com/depromeet/makers/infrastructure/gateway/NotificationGatewayImpl.kt
+++ b/src/main/kotlin/com/depromeet/makers/infrastructure/gateway/NotificationGatewayImpl.kt
@@ -23,4 +23,10 @@ class NotificationGatewayImpl(
             .findFirstByMemberIdOrderByIdDesc(memberId)
             ?.toDomain()
     }
+
+    override fun getById(notificationId: String): Notification {
+        return jpaNotificationRepository
+            .getReferenceById(notificationId)
+            .let(NotificationEntity::toDomain)
+    }
 }