diff --git a/requirements.txt b/requirements.txt
index 553f734..fd3dc47 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ Twisted==17.9.0
 txaio==2.9.0
 tzlocal==1.5.1
 uritemplate==3.0.0
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.2.0
 virtualenv-clone==0.3.0
 virtualenvwrapper==4.8.2