diff --git a/requirements.txt b/requirements.txt
index 34632f3..c3b3c90 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,5 +13,5 @@ flake8==3.5.0
 Pillow==5.3.0
 pycparser==2.18
 pygit2==0.27.2
-pytz==2018.5
+pytz==2018.7
 six==1.11.0