diff --git a/requirements.txt b/requirements.txt
index 2263cc1..c9ab5be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ testpath==0.4.2
 toolz==0.9.0
 tornado==5.1.1
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.24.2
 wcwidth==0.1.7
 web3==4.8.2
 webencodings==0.5.1