diff --git a/requirements.txt b/requirements.txt
index 824bec7..8e10103 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ Flask==1.1.1
 Flask-Login==0.4.1
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 PyMySQL==0.9.3
 SQLAlchemy==1.3.13