diff --git a/requirements.txt b/requirements.txt
index 5d836d5..caee39e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ CommonMark==0.5.4
 docutils==0.13.1
 idna==2.5
 imagesize==0.7.1
-Jinja2==2.9.6
+Jinja2==2.11.3
 MarkupSafe==1.0
 Pygments==2.2.0
 pytz==2017.2