diff --git a/requirements.txt b/requirements.txt
index 0b1bd52a6..a13eb7234 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,6 @@ pyexcel-xls==0.5.0
 pyexcel-xlsx==0.5.0.1
 pyexcel-ods3==0.5.0
 pytz==2017.2
-six==1.10.0
 gunicorn==19.7.1
 whitenoise==3.3.0  #manages static assets