diff --git a/requirements.txt b/requirements.txt
index edd9131..63f43a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ testpath==0.4.4
 tornado==6.0.4
 tqdm==4.45.0
 traitlets==4.3.3
-urllib3==1.25.7
+urllib3==1.26.5
 wcwidth==0.1.9
 webencodings==0.5.1
 widgetsnbextension==3.5.1