diff --git a/Flask_Heroku_Deployment/requirements.txt b/Flask_Heroku_Deployment/requirements.txt
index f854104..0e6356b 100644
--- a/Flask_Heroku_Deployment/requirements.txt
+++ b/Flask_Heroku_Deployment/requirements.txt
@@ -1,7 +1,7 @@
 Flask==1.1.1
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 Werkzeug==0.15.5
 numpy>=1.9.2