diff --git a/requirements.txt b/requirements.txt
index 5235b8b..a87465d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -194,7 +194,7 @@ traitlets==4.3.2
 typing==3.7.4.1
 unicodecsv==0.14.1
 unittest2==1.1.0
-urllib3==1.24.2
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.0