diff --git a/requirements.txt b/requirements.txt
index f134a71..876ca26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,7 +44,7 @@ tensorflow==1.11
 testpath==0.3.1
 tornado==4.5.1
 traitlets==4.3.2
-urllib3==1.22
+urllib3==1.26.5
 wcwidth==0.1.7
 Werkzeug==0.12.2
 widgetsnbextension==3.0.2