diff --git a/jupyter_demo/requirements.txt b/jupyter_demo/requirements.txt
index d1f0d1e..656949d 100644
--- a/jupyter_demo/requirements.txt
+++ b/jupyter_demo/requirements.txt
@@ -1,6 +1,6 @@
 backcall==0.1.0
 bleach==3.0.2
-certifi==2018.11.29
+certifi==2022.12.7
 chardet==3.0.4
 decorator==4.3.0
 defusedxml==0.5.0