diff --git a/requirements.txt b/requirements.txt
index 955900c..641aa90 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,6 +63,6 @@ sphinxcontrib-websupport==1.0.1
 tox==3.0.0
 typed-ast==1.1.0
 u-msgpack-python==2.5.0
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.2.0
 Werkzeug==0.14.1