diff --git a/code/samples/auto-responders/python/requirements.txt b/code/samples/auto-responders/python/requirements.txt
index 46d24b7..14a783d 100644
--- a/code/samples/auto-responders/python/requirements.txt
+++ b/code/samples/auto-responders/python/requirements.txt
@@ -1,5 +1,5 @@
 asn1crypto==0.24.0
-certifi==2019.6.16
+certifi==2023.7.22
 cffi==1.12.3
 chardet==3.0.4
 click==7.1.2