diff --git a/requirements.txt b/requirements.txt
index 3ee0f09..78ef3e8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-PyMongo==2.3.0
 Flask-Script==2.0.6
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pycparser==2.19
 PyJWT==1.7.1