diff --git a/requirements.txt b/requirements.txt
index 9e90d54..3b2b337 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -95,7 +95,7 @@ Theano==0.9.0
 tornado==4.5.2
 tqdm==4.15.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.0.2