diff --git a/requirements.txt b/requirements.txt
index 9d51a0c..e2a69be 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ docutils==0.15.2
 idna==2.8
 imagesize==1.1.0
 importlib-metadata==0.19
-Jinja2==2.10.1
+Jinja2==2.11.3
 livereload==2.6.1
 MarkupSafe==1.1.1
 more-itertools==7.2.0