diff --git a/Guide/Constraint Programming/requirements.txt b/Guide/Constraint Programming/requirements.txt
index 8f58d57..2b9e381 100644
--- a/Guide/Constraint Programming/requirements.txt	
+++ b/Guide/Constraint Programming/requirements.txt	
@@ -5,7 +5,7 @@ Jinja2==2.11.2
 json5==0.9.5
 jsonschema==3.2.0
 Werkzeug==1.0.1
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 gunicorn==20.0.4
 requests==0.11.1