diff --git a/requirements.txt b/requirements.txt
index 0ec76a4..18120e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ httplib2==0.9.2
 idna==2.1
 ipaddress==1.0.16
 itsdangerous==0.24
-Jinja2==2.9.4
+Jinja2==2.11.3
 jsonschema==2.5.1
 lockfile==0.12.2
 MarkupSafe==0.23