diff --git a/requirements.txt b/requirements.txt
index 1601d57..e34c94c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ funcsigs==1.0.2
 futures==3.1.1
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 python-dateutil==2.6.1
 pytz==2017.3