diff --git a/requirements.txt b/requirements.txt
index b8a6bba..9886096 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Click==7.0
 Flask==1.1.1
 Flask-RESTful==0.3.8
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 multi-rake==0.0.1
 numpy==1.18.1