diff --git a/requirements.txt b/requirements.txt
index 7f7b9ea..5a9e2d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ dnspython==1.15.0
 psutil==5.4.5
 python-etcd==0.4.5
 tornado==5.0.2
-urllib3==1.22
+urllib3==1.26.5