diff --git a/app.py b/app.py
index b474916..820abd8 100644
--- a/app.py
+++ b/app.py
@@ -165,8 +165,13 @@ app.config["APP_VERSION"] = APP_VERSION
 
 db = SQLAlchemy(app)
 
+# old
 #socketio = SocketIO(app, async_mode="eventlet")
-socketio = SocketIO(app, async_mode="eventlet", manage_session=False)
+# new flask
+#socketio = SocketIO(app, async_mode="eventlet", manage_session=False)
+
+# gevent
+socketio = SocketIO(app, async_mode='gevent')
 
 login_manager = LoginManager(app)
 login_manager.login_view = "login"