diff --git a/requirements.txt b/requirements.txt
index 4370f871..a3936b66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,6 +7,6 @@ django-extensions==2.0.7
 gunicorn==19.8.1
 html5lib
 requests==2.19.1
-tornado==5.0.2
+tornado<5
 geoip2==2.9.0
 youtube-dl