diff --git a/requirements.txt b/requirements.txt
index 33e48be..4ea19e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ Flask-WTF==0.14.2
 guess-language-spirit==0.5.3
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 Mako==1.0.7
 MarkupSafe==1.0
 multidict==2.1.6