diff --git a/requirements.txt b/requirements.txt
index b2efe37..30a29ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -251,7 +251,7 @@ traitlets==4.3.3
 typed-ast==1.4.1
 unicodecsv==0.14.1
 uritemplate==3.0.1
-urllib3==1.25.8
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 Werkzeug==0.16.1