diff --git a/requirements.txt b/requirements.txt
index 76aae7b..86a33f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ hyperlink==17.2.1
 idna==2.5
 incremental==17.5.0
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 lxml==3.8.0
 MarkupSafe==1.0
 mccabe==0.6.1