diff --git a/requirements.txt b/requirements.txt
index 4eaaebe..43fe472 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ imagesize==1.2.0
 immutables==0.11
 importlib-metadata==1.6.0
 injectark==0.4.1
-Jinja2==2.11.2
+Jinja2==2.11.3
 livereload==2.6.1
 MarkupSafe==1.1.1
 marshmallow==3.5.1