diff --git a/requirements.txt b/requirements.txt
index 5484428..45f90ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 appdirs==1.4.0
 click==6.7
-Jinja2==2.9.6
+Jinja2==2.11.3
 livereload==2.5.1
 Markdown==2.6.8
 markdown-include==0.5.1