diff --git a/requirements.txt b/requirements.txt
index fcd750e..e5d6e41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ Flask-WTF==0.14.2
 guess-language==0.2
 guess-language-spirit==0.5.3
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 jwt==0.6.1
 Mako==1.1.0
 MarkupSafe==1.1.1