diff --git a/docker-compose.yml b/docker-compose.yml
index 6d8bcc5..12f1a8c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -22,8 +22,8 @@ services:
       - traefik.http.routers.crawl-admin.tls=true
       - traefik.http.routers.crawl-admin.tls.certresolver=le
       - traefik.http.routers.crawl-admin.service=crawl-manager-svc
-      # 서브도메인 라우터 (*.startover.co.kr → 크롤링 데이터 서빙)
-      - traefik.http.routers.crawl-sub.rule=HostRegexp(`{subdomain:[a-z0-9-]+}.startover.co.kr`) && !Host(`admin.startover.co.kr`)
+      # 서브도메인 라우터 (*.startover.co.kr → 크롤링 데이터 서빙) — Traefik v3 정규식
+      - traefik.http.routers.crawl-sub.rule=HostRegexp(`^[a-z0-9-]+\.startover\.co\.kr$`) && !Host(`admin.startover.co.kr`)
       - traefik.http.routers.crawl-sub.entrypoints=websecure,web
       - traefik.http.routers.crawl-sub.tls=true
       - traefik.http.routers.crawl-sub.tls.certresolver=le