diff --git a/requirements.txt b/requirements.txt
index 002655b..a4b7131 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -92,7 +92,7 @@ Theano==1.0.4
 toolz==0.9.0
 tornado==5.1.1
 traitlets==4.3.2
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1