diff --git a/ClassExamples/HeartDiseaseFlask_ManpreetSakshiJaideep/heroku/requirements.txt b/ClassExamples/HeartDiseaseFlask_ManpreetSakshiJaideep/heroku/requirements.txt
index 7235471..b119765 100644
--- a/ClassExamples/HeartDiseaseFlask_ManpreetSakshiJaideep/heroku/requirements.txt
+++ b/ClassExamples/HeartDiseaseFlask_ManpreetSakshiJaideep/heroku/requirements.txt
@@ -1,7 +1,7 @@
 Flask==1.1.2
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.11.2
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 Werkzeug==1.0.1
 numpy==1.16.6