diff --git a/requirements.txt b/requirements.txt
index cbded17..9dd53cb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ gunicorn==19.9.0
 idna==2.7
 idna-ssl==1.1.0
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 lxml==4.2.4
 MarkupSafe==1.0
 marshmallow==3.0.0b13