diff --git a/requirements.txt b/requirements.txt
index f6f5354ff2..1772dca2a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ passlib==1.6.2
 aniso8601==1.1.0
 blinker==1.3
 psycopg2==2.7.3.2
-python-dateutil==2.4.2
+python-dateutil==2.8.0
 pytz==2016.7
 PyYAML==3.12
 redis==2.10.5