diff --git a/docs/RELEASE-NOTES.md b/docs/RELEASE-NOTES.md
index 235aed8..a95f501 100644
--- a/docs/RELEASE-NOTES.md
+++ b/docs/RELEASE-NOTES.md
@@ -4,6 +4,9 @@
 
 ## [Unreleased]
 
+### 기타
+- AIS API 접속 계정 변경
+
 ## [2026-03-18]
 
 ### 수정
diff --git a/src/main/resources/application-prod.yml b/src/main/resources/application-prod.yml
index 5bfc97c..6c00a95 100644
--- a/src/main/resources/application-prod.yml
+++ b/src/main/resources/application-prod.yml
@@ -271,8 +271,8 @@ app:
     ais-target:
       ttl-minutes: 120
   ais-api:
-    username: 7cc0517d-5ed6-452e-a06f-5bbfd6ab6ade
-    password: 2LLzSJNqtxWVD8zC
+    username: 86b30c84-5d17-41ac-8c4f-2aa20d791114
+    password: KHZQVc2tMBGtNxvG
 
 # 일일 항적 데이터 인메모리 캐시
 cache: