diff --git a/tests/apps/python-flask/requirements.txt b/tests/apps/python-flask/requirements.txt
index 7299a10469f..bb5a7ff7e1e 100644
--- a/tests/apps/python-flask/requirements.txt
+++ b/tests/apps/python-flask/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.9
-Jinja2==2.6
+Jinja2==2.10.1
 Werkzeug==0.8.3
 gunicorn==0.17.2