diff --git a/requirements.txt b/requirements.txt
index 2f8adb5..bf9b790 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ click==6.7
 Flask==0.12.2
 idna==2.6
 itsdangerous==0.24
-Jinja2==2.9.6
+Jinja2==2.11.3
 lxml==4.1.1
 MarkupSafe==1.0
 requests==2.18.4