diff --git a/requirements.txt b/requirements.txt
index 9bd605c..cae98e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ cryptography==2.3.1
 cssselect==1.0.3
 cssutils==1.0.2
 dj-database-url==0.4.1
-Django==1.11.17
+Django==1.11.23
 django-anymail==0.10
 django-appconf==1.0.2
 django-celery-beat==1.1.1