diff --git a/requirements.txt b/requirements.txt
index 571b4d71..c45e5062 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -133,7 +133,7 @@ toolz==0.9.0
 tornado==5.0.2
 #traitlets==4.3.2
 typing==3.6.4
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1