diff --git a/requirements.txt b/requirements.txt
index f68e78f9..b0483a78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,7 @@ Flask-SocketIO
 Flask-SQLAlchemy
 Flask-Table
 Flask-WTF
+gunicorn
 jsonpatch
 psycopg2
 redis