diff --git a/demo/requirements.txt b/demo/requirements.txt
index 6474a4b..96e0a47 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -7,5 +7,5 @@ itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
 requests==2.20.1
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.14.1