diff --git a/requirements.txt b/requirements.txt
index 30f32c0..395b988 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ Flask-WTF==0.14.2
 idna==2.6
 idna-ssl==1.0.1
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 MarkupSafe==1.0
 mock==2.0.0