diff --git a/requirements.txt b/requirements.txt
index e24ea66..a93286c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.0.2
 Flask-HTTPAuth==3.2.4
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 mysql-connector==2.1.6
 requests==2.21.0