diff --git a/requirements.txt b/requirements.txt
index ea5bdfe..373833e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask-Babel==0.12.2
 Flask-Table==0.5.0
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.3
 kiwisolver==1.0.1
 MarkupSafe==1.1.0
 matplotlib==3.0.2