diff --git a/src/main/java/com/mallangs/domain/chat/dto/response/ChatRoomResponse.java b/src/main/java/com/mallangs/domain/chat/dto/response/ChatRoomResponse.java
index fb1609e..9f442f9 100644
--- a/src/main/java/com/mallangs/domain/chat/dto/response/ChatRoomResponse.java
+++ b/src/main/java/com/mallangs/domain/chat/dto/response/ChatRoomResponse.java
@@ -10,13 +10,15 @@ public class ChatRoomResponse {
     private String chatRoomName;
     private String memberNickname;
     private Long memberId;
+    private Long chatRoomId;
     private Integer changedIsRead;
 
     @Builder
-    public ChatRoomResponse(String chatRoomName, String memberNickname, Long memberId, Integer changedIsRead) {
+    public ChatRoomResponse(String chatRoomName, String memberNickname, Long memberId, Integer changedIsRead, Long chatRoomId) {
         this.chatRoomName = chatRoomName;
         this.memberNickname = memberNickname;
         this.memberId = memberId;
+        this.chatRoomId = chatRoomId;
         this.changedIsRead = changedIsRead;
     }
 }
diff --git a/src/main/java/com/mallangs/domain/chat/service/ChatMessageService.java b/src/main/java/com/mallangs/domain/chat/service/ChatMessageService.java
index 3237b9a..8691611 100644
--- a/src/main/java/com/mallangs/domain/chat/service/ChatMessageService.java
+++ b/src/main/java/com/mallangs/domain/chat/service/ChatMessageService.java
@@ -161,6 +161,7 @@ public ChatRoomResponse changeUnReadToRead(Long profileMemberId, Long myId) {
                 .chatRoomName(foundPartRoom.getRoomName())
                 .memberNickname(foundPartRoom.getParticipant().getNickname().getValue())
                 .memberId(foundPartRoom.getParticipant().getMemberId())
+                .chatRoomId(foundPartRoom.getChatRoom().getChatRoomId())
                 .changedIsRead(numChanged)
                 .build();
     }