diff --git a/requirements.txt b/requirements.txt
index b109863..4498048 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,5 +16,5 @@ requests==2.18.4
 simplegeneric==0.8.1
 six==1.10.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7