diff --git a/requirements/install.pip b/requirements/install.pip
index cc23786..8272287 100644
--- a/requirements/install.pip
+++ b/requirements/install.pip
@@ -6,7 +6,7 @@ django-colorful==1.2
 django-jinja==2.4.0
 django-memoize==2.1.0
 django-model-utils==3.0.0
-django-modelcluster==3.1
+django-modelcluster==4.0
 psycopg2
 requests
 wagtail==1.13