diff --git a/requirements.txt b/requirements.txt
index dd05f5b..72df205 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -215,7 +215,7 @@ tornado==4.5.2
 traitlets==4.3.2
 typing==3.6.2
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.2.0
 wcwidth==0.1.7
 webencodings==0.5.1