diff --git a/requirements.txt b/requirements.txt
index c7649bd..8c439b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ Django<2
 celery==3.1.23
 django-celery==3.1.17
 django-extensions==1.7.4
-gunicorn==19.6.0
+gunicorn
 -e git+http://git.0x2620.org/python-ox.git#egg=python-ox