diff --git a/requirements.txt b/requirements.txt
index 0ce9ed0..7dc21dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-Jsonpify==1.5.0
 Flask-RESTful==0.3.5
 Flask-SQLAlchemy==2.1
 itsdangerous==0.24
-Jinja2==2.9.5
+Jinja2==2.11.3
 MarkupSafe==0.23
 packaging==16.8
 pyparsing==2.1.10