diff --git a/2013-05/requirements.txt b/2013-05/requirements.txt
index b3fe1f1..599f90e 100644
--- a/2013-05/requirements.txt
+++ b/2013-05/requirements.txt
@@ -8,7 +8,7 @@ zope.event==4.0.1
 zope.interface==4.0.2
 Flask-Script==0.5.1
 Flask==0.9
-Jinja2==2.6
+Jinja2==2.10.1
 Werkzeug==0.8.3
 path.py==2.4.1
 CherryPy==3.2.2