diff --git a/backend/src/modules/chat/application/chat.service.ts b/backend/src/modules/chat/application/chat.service.ts
index 2ce0e2d..c184907 100644
--- a/backend/src/modules/chat/application/chat.service.ts
+++ b/backend/src/modules/chat/application/chat.service.ts
@@ -193,6 +193,8 @@ export class ChatService {
         savedMessage.type || 'TEXT',
 
         new Date(),
+
+        chat.ticketId, // Adicionado aqui
       ),
     );
 
diff --git a/backend/src/modules/notification/application/dto/create-notification.dto.ts b/backend/src/modules/notification/application/dto/create-notification.dto.ts
index 5f6071e..a72f125 100644
--- a/backend/src/modules/notification/application/dto/create-notification.dto.ts
+++ b/backend/src/modules/notification/application/dto/create-notification.dto.ts
@@ -19,6 +19,8 @@ export interface CreateMessageNotificationDTO {
 
     chatId: string;
 
+    ticketId?: string; 
+
     messageId: string;
 
     contentPreview: string;
diff --git a/backend/src/modules/notification/application/listeners/received-message.listener.ts b/backend/src/modules/notification/application/listeners/received-message.listener.ts
index d462453..9e7f76e 100644
--- a/backend/src/modules/notification/application/listeners/received-message.listener.ts
+++ b/backend/src/modules/notification/application/listeners/received-message.listener.ts
@@ -51,6 +51,9 @@ export class ReceivedMessageListener {
                 chatId:
                     event.chatId,
 
+                ticketId: 
+                    event.ticketId,
+
                 messageId:
                     event.messageId,
 
@@ -75,6 +78,9 @@ export class ReceivedMessageListener {
                 chatId:
                     event.chatId,
 
+                ticketId: // Adicionado aqui para o frontend SSE
+                    event.ticketId,
+
                 messageId:
                     event.messageId,
 
diff --git a/backend/src/modules/notification/application/use-cases/create-message-notification.use-case.ts b/backend/src/modules/notification/application/use-cases/create-message-notification.use-case.ts
index ec69dda..8c34bd0 100644
--- a/backend/src/modules/notification/application/use-cases/create-message-notification.use-case.ts
+++ b/backend/src/modules/notification/application/use-cases/create-message-notification.use-case.ts
@@ -39,6 +39,7 @@ export class CreateMessageNotificationUseCase {
         type: NotificationType.NEW_MESSAGE,
 
         chatId: data.chatId,
+        ticketId: data.ticketId, 
     });
 
         await this.notificationRepository.create(
diff --git a/backend/src/shared/events/received-message-notification.event.ts b/backend/src/shared/events/received-message-notification.event.ts
index 245dc5b..6a95ed1 100644
--- a/backend/src/shared/events/received-message-notification.event.ts
+++ b/backend/src/shared/events/received-message-notification.event.ts
@@ -17,5 +17,7 @@ export class ReceivedMessageNotificationEvent {
         public readonly type: string,
 
         public readonly createdAt: Date,
+
+        public readonly ticketId?: string,
     ) {}
 }
\ No newline at end of file