diff --git a/requirements.txt b/requirements.txt
index a30a304..4ca8933 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ docopt==0.6.2
 gunicorn==19.8.1
 idna==2.7
 itypes==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 Markdown==2.6.11
 MarkupSafe==1.0
 openapi-codec==1.3.2