diff --git a/requirements.txt b/requirements.txt
index 2fe8909e16..f749358001 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ PyYAML==5.4.1
 paho-mqtt==1.5.1
 colorama==0.4.4
 tornado==6.1
-protobuf==3.15.7
+protobuf==3.15.8
 tzlocal==2.1
 pytz==2021.1
 pyserial==3.5