diff --git a/code/samples/auto-responders/python/requirements.txt b/code/samples/auto-responders/python/requirements.txt
index 46d24b7..cdc3889 100644
--- a/code/samples/auto-responders/python/requirements.txt
+++ b/code/samples/auto-responders/python/requirements.txt
@@ -31,6 +31,6 @@ six==1.12.0
 sockets==1.0.0
 tqdm==4.32.1
 twilio==6.44.1
-urllib3==1.24.2
+urllib3==1.26.17
 wcwidth==0.2.5
 Werkzeug==1.0.1