diff --git a/requirements.txt b/requirements.txt
index 86282a3..5114ba5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ libsass==0.19.4
 Markdown==3.2.1
 Pillow==7.0.0
 Pygments==2.5.2
-pytz==2019.3
+pytz==2020.4
 rcssmin==1.0.6
 rjsmin==1.1.0
 six==1.14.0