diff --git a/requirements.txt b/requirements.txt
index 3799e13..d9653fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ chardet==3.0.4
 docutils==0.14
 idna==2.6
 imagesize==0.7.1
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 Pygments==2.2.0
 pytz==2017.2