diff --git a/requirements.txt b/requirements.txt
index 7cc3b66..2a9c921 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -195,7 +195,7 @@ traitlets==4.3.2
 typed-ast==1.1.0
 typing==3.6.4
 unicodecsv==0.14.1
-urllib3==1.22
+urllib3==1.26.5
 watchdog==0.9.0
 wcwidth==0.1.7
 webencodings==0.5.1