diff --git a/requirements.txt b/requirements.txt
index 93d588b..854757e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,6 +53,6 @@ rsa==4.0
 six==1.11.0
 traitlets==4.3.2
 uritemplate==3.0.0
-urllib3==1.24.2
+urllib3==1.26.5
 Werkzeug==0.14.1
 zope.interface==4.5.0