diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/dto/JsonRpcResponse.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/dto/JsonRpcResponse.java
index 293f4bb..cf0e188 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/dto/JsonRpcResponse.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/adapter/dto/JsonRpcResponse.java
@@ -1,11 +1,13 @@
 package io.shinhanlife.axhub.biz.mcp.adapter.dto;
 
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import lombok.Getter;
 import lombok.Setter;
 
 // 2. 응답 DTO
 @Getter
 @Setter
+@JsonPropertyOrder({"jsonrpc", "result", "error", "id"})
 public class JsonRpcResponse {
     public String jsonrpc = "2.0";
     public Object result;