diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index d87f4ec..0dfd1a8 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,6 +4,9 @@
 
 ## [Unreleased]
 
+### 수정
+- 지도: S57EncOverlay API URL을 공유 API_BASE_URL로 통합
+
 ## [2026-03-31.2]
 
 ### 추가