diff --git a/requirements.txt b/requirements.txt
index 51fa3e24..94668efd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,6 +35,6 @@ six==1.11.0
 Twisted==17.9.0
 txaio==2.8.2
 uritemplate==3.0.0
-urllib3==1.22
+urllib3==1.26.5
 whitenoise==3.3.0
 zope.interface==4.4.3