diff --git a/requirements.txt b/requirements.txt
index 2d03924cec..a05da7cd01 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ paho-mqtt==1.5.0
 colorlog==4.1.0
 tornado==6.0.4
 protobuf==3.12.2
-tzlocal==2.0.0
+tzlocal==2.1
 pytz==2020.1
 pyserial==3.4
 ifaddr==0.1.7