diff --git a/app/api/search.py b/app/api/search.py
index 5c0f014..c6fc519 100644
--- a/app/api/search.py
+++ b/app/api/search.py
@@ -42,7 +42,7 @@ async def search(
     q: str,
     user: Annotated[User, Depends(get_current_user)],
     session: Annotated[AsyncSession, Depends(get_session)],
-    mode: str = Query("hybrid", regex="^(fts|trgm|vector|hybrid)$"),
+    mode: str = Query("hybrid", pattern="^(fts|trgm|vector|hybrid)$"),
     limit: int = Query(20, ge=1, le=100),
 ):
     """문서 검색