diff --git a/requirements.txt b/requirements.txt
index 9088d67..849cf24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -73,7 +73,7 @@ testpath==0.4.2
 tornado==5.1.1
 traitlets==4.3.2
 typed-ast==1.3.1
-urllib3==1.24.1
+urllib3==1.26.5
 wcwidth==0.1.7
 widgetsnbextension==3.4.2
 wrapt==1.11.1