diff --git a/FlaskPythonHerokuDB/requirements.txt b/FlaskPythonHerokuDB/requirements.txt
index a4280eb..69b3ffc 100644
--- a/FlaskPythonHerokuDB/requirements.txt
+++ b/FlaskPythonHerokuDB/requirements.txt
@@ -5,7 +5,7 @@ Flask-RESTful==0.3.6
 Flask-SQLAlchemy==2.3.2
 gunicorn==19.7.1
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==2.0.1
 marshmallow==2.15.1
 flask-marshmallow<0.12.0