diff --git a/requirements.txt b/requirements.txt
index fee474c..2755a79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask==1.1.1
 Flask-Mail==0.9.1
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.22.0
 urllib3==1.25.6