diff --git a/requirements.txt b/requirements.txt
index 7ba50a741..2faf1bba7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ setuptools==33.1.1
 wheel
 flask==1.0.2
 flask-session
-flask-socketio==3.3.2
+flask-socketio
 flask-helper==0.19
 flask-caching
 gunicorn==19.9