diff --git a/requirements.txt b/requirements.txt
index 12052b0..bbd3f7a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-Mail==0.9.1
 Flask-Moment==0.9.0
 Flask-WTF==0.14.2
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mysql-connector==2.2.9
 PyJWT==1.7.1