diff --git a/backend/requirements.txt b/backend/requirements.txt
index 57663f6..4821de6 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -4,7 +4,7 @@ click==6.7
 Flask==0.12.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22