diff --git a/requirements.txt b/requirements.txt
index b896f73..c66734c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ Flask==1.1.1
 Flask-Bootstrap==3.3.7.1
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.22.0
 urllib3==1.25.8