diff --git a/requirements.txt b/requirements.txt
index 7de02d8ccb..daaf86e641 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ paho-mqtt==1.5.1
 colorama==0.4.4
 tornado==6.1
 protobuf==3.17.3
-tzlocal==3.0
+tzlocal==2.1
 pytz==2021.1
 pyserial==3.5
 ifaddr==0.1.7