diff --git a/docs/design/620-poc4-mcp-discovery-streamable-http/README.md b/docs/design/654-poc4-mcp-discovery-streamable-http/README.md
similarity index 99%
rename from docs/design/620-poc4-mcp-discovery-streamable-http/README.md
rename to docs/design/654-poc4-mcp-discovery-streamable-http/README.md
index 80286e6..1d65071 100644
--- a/docs/design/620-poc4-mcp-discovery-streamable-http/README.md
+++ b/docs/design/654-poc4-mcp-discovery-streamable-http/README.md
@@ -1,8 +1,8 @@
-# 설계서: PoC_4 MCP Discovery UI — KB VPD Streamable HTTP 연동 정비 (#620)
+# 설계서: PoC_4 MCP Discovery UI — KB VPD Streamable HTTP 연동 정비 (#654)
 
 > **상태**: Draft · source snapshot imported
 > **작성**: [AI] Architect · **최종수정**: 2026-07-14
-> **추적성** — Redmine: #620 · 관련 ADR: 없음
+> **추적성** — Redmine: #654 · 관련 ADR: 없음
 > · 스냅샷: `poc4_active_source_20260714/` · 원본 archive: `poc4_active_source_20260714/poc4_active_source_20260714.tar.gz` · 목표 구현 파일: `apps/poc4/mcp_discovery_ui.py`, `config/mcp_servers.json`, VPD Backoffice의 `/mcp` endpoint · 테스트: PoC_4 단위 테스트 및 실제 MCP HTTP smoke test
 
 ## 1. 목적 (Why)