diff --git a/mega_applications/flask_web_app/requirements.txt b/mega_applications/flask_web_app/requirements.txt
index dd37af3..7592043 100644
--- a/mega_applications/flask_web_app/requirements.txt
+++ b/mega_applications/flask_web_app/requirements.txt
@@ -64,7 +64,7 @@ ipython-genutils==0.2.0
 isodate==0.5.4
 itsdangerous==0.24
 jdcal==1.3
-Jinja2==2.9.6
+Jinja2==2.11.3
 jsonlines==1.2.0
 jsonschema==2.5.1
 jsontableschema==0.10.1