diff --git a/requirements.txt b/requirements.txt
index 24449c4..166a916 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -214,7 +214,7 @@ traitlets==4.3.2
 typed-ast==1.1.0
 typing==3.6.6
 unicodecsv==0.14.1
-urllib3==1.23
+urllib3==1.24.2
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1