diff --git a/requirements.txt b/requirements.txt
index de6c011..c692102 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ influxdb==5.2.2
 oauth2client
 paho-mqtt==1.4.0
 requests==2.21.0
-urllib3==1.25.9
+urllib3==1.26.5
 htmlmin
 pytz
 flake8