diff --git a/requirements.txt b/requirements.txt
index 377efbd..581abe6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==0.12.2
 Flask-WTF==0.14.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 requests==2.18.4
 urllib3==1.22