diff --git a/requirements.txt b/requirements.txt
index c652e7f..adc6709 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ threadpoolctl==2.1.0
 tornado==6.0.4
 tqdm==4.48.0
 traitlets==4.3.3
-urllib3==1.25.9
+urllib3==1.26.5
 wcwidth==0.2.5
 webencodings==0.5.1
 widgetsnbextension==3.5.1