diff --git a/requirements.txt b/requirements.txt
index 7742d8f..724e990 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ munch >=2.0.0
 gevent >=1.0
 isodate >=0.4.4
 requests >=2.23.0
-pytz >=2011k
+pytz
 httplib2
 lxml
 pytest