diff --git a/requirements.txt b/requirements.txt
index 94c9fb1..b246972 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.1.1
 Flask-Cors==3.0.8
 Flask-RESTful==0.3.8
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 pytz==2019.3
 six==1.14.0