diff --git a/demo/requirements.txt b/demo/requirements.txt
index 3dd7597..821678f 100644
--- a/demo/requirements.txt
+++ b/demo/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.11.28
+certifi==2022.12.7
 chardet==3.0.4
 Click==7.0
 Flask==1.1.1