diff --git a/requirements.txt b/requirements.txt
index be93528..44f5d52 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ greenlet==1.1.0
 gunicorn==19.8.1
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pyasn1==0.4.3
 requests==2.19.1