diff --git a/requirements.txt b/requirements.txt
index 10742d9..3c80676 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,5 +18,5 @@ requests==2.18.4
 simplegeneric==0.8.1
 six==1.11.0
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7