diff --git a/azure/cart_svc_serverless/requirements.txt b/azure/cart_svc_serverless/requirements.txt
index ab0a303..cd6d32e 100644
--- a/azure/cart_svc_serverless/requirements.txt
+++ b/azure/cart_svc_serverless/requirements.txt
@@ -8,5 +8,5 @@ Jinja2==2.10.3
 MarkupSafe==1.1.1
 redis==3.3.11
 requests==2.22.0
-urllib3==1.25.7
+urllib3==1.25.8
 Werkzeug==0.16.0