diff --git a/requirements.txt b/requirements.txt
index b17381545..db315e682 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,7 @@ flask-caching==1.8.0
 gunicorn==19.9
 gevent==1.3.7
 gevent-websocket
+
 psutil==(5.4.7
 pillow
 chardet
@@ -18,4 +19,5 @@ ConfigParser==3.5.0
 MySQL-python==1.2.5
 mysql-connector-python
 flask-socketio==3.0.2
+python-engineio==3.4.1
 # pytest-shutil
\ No newline at end of file