diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 6f93fb6..0e7bab1 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -18,7 +18,7 @@ model Notification {
   title  String
   detail String
 
-  groupReceiver String
+  groupReceiver NotificationGroup[]
 
   receiver   User?   @relation(name: "NotificationReceiver", fields: [receiverId], references: [id], onDelete: Cascade)
   receiverId String?
@@ -28,6 +28,14 @@ model Notification {
   readByUser User[]
 }
 
+model NotificationGroup {
+  id String @id @default(cuid())
+
+  name String
+
+  notification Notification[]
+}
+
 model Menu {
   id String @id @default(cuid())