diff --git a/ecs/jskult-webapp/src/main.py b/ecs/jskult-webapp/src/main.py
index 174f097a..9a19d97b 100644
--- a/ecs/jskult-webapp/src/main.py
+++ b/ecs/jskult-webapp/src/main.py
@@ -11,7 +11,7 @@ from src.core import task
 from src.error.exception_handler import http_exception_handler
 from src.error.exceptions import UnexpectedException
 
-app = FastAPI()
+app = FastAPI(openapi_url=None)
 
 # 静的ファイルをマウント
 app.mount('/static', StaticFiles(directory=path.dirname(static.__file__)), name='static')