diff --git a/requirements.txt b/requirements.txt
index 3f66785..7bd2e96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask==1.0.2
 idna==2.7
 imagesize==1.0.0
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 mysqlclient==1.3.12
 packaging==17.1