diff --git a/requirements.txt b/requirements.txt
index 0422b18..9bdecbf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-SSLify==0.1.5
 gunicorn
 httplib2==0.10.3
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 oauth2==1.9.0.post1
 packaging==16.8