diff --git a/requirements.txt b/requirements.txt
index e9902e8..157b059 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ backports-abc==0.5
 Click==7.0
 futures==3.2.0
 htmlmin==0.1.12
-Jinja2==2.10.1
+Jinja2==2.11.3
 jsmin==2.2.2
 livereload==2.6.1
 Markdown==3.1.1