diff --git a/requirements.txt b/requirements.txt
index e6f20f8..d9e9a64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ flake8==3.5.0
 html5lib==1.0.1
 hupper==1.1
 idna==2.6
-Jinja2==2.10
+Jinja2==2.11.3
 kiwisolver==1.0.1
 Mako==1.0.7
 MarkupSafe==1.0