diff --git a/flask/flask/src/requirements.txt b/flask/flask/src/requirements.txt
index b948fe9..42286ac 100644
--- a/flask/flask/src/requirements.txt
+++ b/flask/flask/src/requirements.txt
@@ -4,7 +4,7 @@ Flask-HTTPAuth==2.4.0
 Flask-RESTful==0.3.2
 Flask-SQLAlchemy==2.0
 Flask-WTF==0.11
-Jinja2==2.7.3
+Jinja2==2.11.3
 MarkupSafe==0.23
 SQLAlchemy==0.9.9
 SQLAlchemy-Utils==0.29.8