diff --git a/requirements.txt b/requirements.txt
index 95fea0b..9e28f50 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ inflection==0.3.1
 isodate==0.6.0
 itypes==1.1.0
 jdcal==1.4.1
-Jinja2==2.10.3
+Jinja2==2.11.3
 jsonschema==3.2.0
 leather==0.3.3
 Markdown==3.1.1