diff --git a/requirements.txt b/requirements.txt
index e68259d..ecc4feb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ tornado==6.0.4
 tqdm==4.46.0
 traitlets==4.3.3
 twilio==6.40.0
-urllib3==1.25.8
+urllib3==1.26.5
 widgetsnbextension==3.5.1
 wrapt==1.12.1
 zipp==3.1.0