diff --git a/app/requirements.txt b/app/requirements.txt
index a3d1853..80d9f55 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -13,7 +13,7 @@ MarkupSafe==0.23
 numpy==1.11.1
 pandas==0.18.1
 python-dateutil==2.5.3
-python-engineio==1.0.3
+python-engineio>=3.9.0
 python-socketio==1.6.0
 pytz==2016.6.1
 pyyaml>=4.2b1