diff --git a/requirements.txt b/requirements.txt
index 0e9782f..4abc616 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -111,7 +111,7 @@ testpath==0.4.2
 toolz==0.9.0
 tornado==6.0.2
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.24.2
 virtualenv==15.2.0
 wcwidth==0.1.7
 web3==4.4.1