diff --git a/requirements.txt b/requirements.txt
index f0b035b..e26b38e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ chardet==3.0.4
 docutils==0.14
 idna==2.8
 imagesize==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 livereload==2.6.1
 MarkupSafe==1.1.1
 packaging==19.0