diff --git a/requirements.txt b/requirements.txt
index 3188426..e6356ab 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Flask-SQLAlchemy==2.4.0
 idna==2.8
 itsdangerous==1.1.0
 jdcal==1.4.1
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 numpy==1.17.2
 openpyxl==3.0.0