diff --git a/gen/openapi_server/__main__.py b/gen/openapi_server/__main__.py
index 963bcdc..66f97f0 100644
--- a/gen/openapi_server/__main__.py
+++ b/gen/openapi_server/__main__.py
@@ -19,7 +19,7 @@ app = connexion.FlaskApp(__name__, specification_dir='./openapi/')
 app.add_middleware(
     CORSMiddleware,
     position=MiddlewarePosition.BEFORE_EXCEPTION,
-    allow_origins=["*"],
+    allow_origins=["http://localhost:4200"],
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],