diff --git a/requirements.txt b/requirements.txt
index 27620f2c..50000c05 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ pep8==1.7.0
 pycrypto==2.6.1
 pylint==1.9.3
 pylint-django==0.10.0
-pytz==2017.2
+pytz==2018.7
 singledispatch==3.4.0.3
 six==1.10.0
 virtualenv==15.1.0