diff --git a/requirements.txt b/requirements.txt
index 9ab4dcd66..7669b2965 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ flask_session
 flask_socketio
 gunicorn
 gevent-websocket
-psutil
+psutil==5.4
 pillow
 chardet
 flask_sqlalchemy