diff --git a/requirements.txt b/requirements.txt
index c848d7b..5927c20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Jinja2==2.9.6
+Jinja2==2.11.3
 Flask==0.12.2
 pdfkit==0.6.1
 xvfbwrapper==0.2.9