diff --git a/requirements.txt b/requirements.txt
index df12e52..2db26e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ terminado==0.8.3
 testpath==0.4.4
 tornado==6.0.3
 traitlets==4.3.3
-urllib3==1.25.7
+urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
 widgetsnbextension==3.5.1