diff --git a/requirements.txt b/requirements.txt
index 57e916dd630ac9a2b6f598607e37f97050cce20b..72e849e28c5189314ff7943b733264979c9a153a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ Django==1.10.3
 gunicorn==19.6.0
 Pillow==3.4.2
 psycopg2==2.6.2
+pytz==2016.10