diff --git a/requirements.txt b/requirements.txt
index 3fb320c..35b0cfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-WTF==0.14.3
 idna==2.9
 importlib-metadata==1.6.0
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jsonschema==3.2.0
 Mako==1.1.2
 MarkupSafe==1.1.1