diff --git a/requirements.txt b/requirements.txt
index 542f538..c2dab67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,6 +8,6 @@ gevent==1.4.0
 greenlet==0.4.15
 isodate==0.6.0
 itsdangerous==1.1.0
-pytz==2019.3
+pytz==2020.5
 wsgiref==0.1.2
 -e git+https://github.com/dtcooper/python-fitparse.git@ng#egg=fitparse