diff --git a/Containerisation/python-jupyter/requirements.txt b/Containerisation/python-jupyter/requirements.txt
index 397af57..016687f 100644
--- a/Containerisation/python-jupyter/requirements.txt
+++ b/Containerisation/python-jupyter/requirements.txt
@@ -1,5 +1,5 @@
 bleach==1.5.0
-certifi==2016.2.28
+certifi==2022.12.7
 cycler==0.10.0
 decorator==4.1.2
 entrypoints==0.2.3