diff --git a/requirements.txt b/requirements.txt
index 7bfc206..8fa3fb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -174,7 +174,7 @@ tornado==5.0.2
 traitlets==4.3.2
 typing==3.6.4
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1