diff --git a/requirements.txt b/requirements.txt
index fa9ccba..4186811 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-Bcrypt==0.7.1
 Flask-Excel==0.0.7
 itsdangerous==1.1.0
 jdcal==1.4.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 lml==0.0.9
 MarkupSafe==1.1.1
 openpyxl==2.6.2