diff --git a/requirements.txt b/requirements.txt
index a356194..430ecdf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ Flask-Babel==0.11.2
 greenlet==0.4.15
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 lxml==4.2.4
 MarkupSafe==1.0