diff --git a/backend/requirements.txt b/backend/requirements.txt
index 343b795..e8cf30f 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,6 +2,6 @@ certifi==2021.5.30
 dnspython==1.16.0
 eventlet==0.31.0
 greenlet==1.1.0
-python-engineio==3.14.2
+python-engineio==4.2.0
 python-socketio==4.6.1
 six==1.16.0