diff --git a/Guide/Constraint Programming/requirements.txt b/Guide/Constraint Programming/requirements.txt
index 8f58d57..99d8850 100644
--- a/Guide/Constraint Programming/requirements.txt	
+++ b/Guide/Constraint Programming/requirements.txt	
@@ -1,7 +1,7 @@
 
 flake8==3.8.3
 Flask==1.1.2
-Jinja2==2.11.2
+Jinja2==2.11.3
 json5==0.9.5
 jsonschema==3.2.0
 Werkzeug==1.0.1