diff --git a/requirements.txt b/requirements.txt
index d91d8f3..09e7185 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.1.1
 Flask-MySQL==1.4.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 PyMySQL==0.9.3
 requests==2.22.0