diff --git a/fullstack_flask/requirements.txt b/fullstack_flask/requirements.txt
index b4b9df5..fcd652b 100644
--- a/fullstack_flask/requirements.txt
+++ b/fullstack_flask/requirements.txt
@@ -1,6 +1,6 @@
 bcrypt==3.1.4
 blinker==1.4
-certifi==2016.2.28
+certifi==2022.12.7
 cffi==1.11.5
 click==6.7
 Flask==1.0