diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index f24f8e4..96b8a5c 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,6 +4,8 @@
 
 ## [Unreleased]
 
+## [2026-03-17.3]
+
 ### 추가
 - 최근 선박 위치 상세 조회 API (`POST /api/v1/vessels/recent-positions-detail`) — 공간 필터(폴리곤/원) + AIS 상세 필드(callSign, status, destination, eta, draught, length, width)