diff --git a/flask_demo/requirements.txt b/flask_demo/requirements.txt
index b2533ef..5eeee29 100644
--- a/flask_demo/requirements.txt
+++ b/flask_demo/requirements.txt
@@ -11,7 +11,7 @@ Jinja2==2.10
 MarkupSafe==1.1.1
 python-dotenv==0.10.1
 requests==2.21.0
-urllib3==1.24.2
+urllib3==1.26.5
 visitor==0.1.3
 Werkzeug==0.15.3
 WTForms==2.2.1