diff --git a/requirements.txt b/requirements.txt
index 5253a3e8..e116893b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ tzlocal==2.0.0
 
 # timeutil
 # jobscheduler
-pytz==2019.3
+pytz==2020.4
 
 
 # mysqlconnpool.test