diff --git a/requirements.txt b/requirements.txt
index 7d711ee..17b1f91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Flask-DebugToolbar==0.10.1
 Flask-WTF==0.14.2
 idna==2.7
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 pytz==2018.5
 requests==2.19.1