diff --git a/backend/requirements.txt b/backend/requirements.txt
index feb6607..16ed0c2 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -6,7 +6,7 @@ Flask==0.12.2
 httmock==1.2.6
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22