diff --git a/requirements.txt b/requirements.txt
index 0ff086c..0b9bd63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,5 +38,5 @@ six==1.12.0
 Twisted==18.9.0
 txaio==18.8.1
 uritemplate==3.0.0
-urllib3==1.24.1
+urllib3==1.26.5
 zope.interface==4.6.0