diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2162af7..222f7f4 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ codecov==2.0.3
 coverage==4.0.3
 docutils==0.12
 imagesize==0.7.1
-Jinja2==2.8
+Jinja2==2.11.3
 MarkupSafe==0.23
 pluggy==0.3.1
 py==1.4.31