diff --git a/requirements.txt b/requirements.txt
index 4c750a5..50214b2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ html5lib==0.999999999
 httplib2==0.9.2
 isodate==0.5.4
 itsdangerous==0.24
-Jinja2==2.8
+Jinja2==2.11.3
 lxml==3.6.1
 MarkupSafe==0.23
 matplotlib==1.5.1