diff --git a/main.py b/main.py
index d368981..d9b0737 100644
--- a/main.py
+++ b/main.py
@@ -52,7 +52,7 @@ async def swagger_ui_redirect(req: Request) -> HTMLResponse:
 )
 init_openapi(app)
 
-PackageManifest.update_forward_refs()
+PackageManifest.model_rebuild()
 app.add_middleware(
     CORSMiddleware,
     allow_origins=["*"],