diff --git a/genmodel/requirements.txt b/genmodel/requirements.txt
index 434703c6..5a777842 100644
--- a/genmodel/requirements.txt
+++ b/genmodel/requirements.txt
@@ -57,7 +57,7 @@ terminado==0.8.1
 testpath==0.3.1
 tornado==5.1
 traitlets==4.3.2
-urllib3==1.23
+urllib3==1.26.18
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.14.1