diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6999eda..3549ac2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -8,7 +8,7 @@ coverage==4.1
 docutils==0.12
 idna==2.6
 imagesize==0.7.1
-Jinja2==2.8
+Jinja2==2.11.3
 lazy-object-proxy==1.2.2
 MarkupSafe==0.23
 py==1.4.34