diff --git a/requirements.txt b/requirements.txt
index c49f51b..e9167f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ numpy
 pyyaml
 pandas==0.17.1
 requests==2.17.3
-urllib3==1.21.1
+urllib3==1.26.5
 influxdb==4.1.0
 networkx==1.11
 flask