diff --git a/setup.txt b/setup.txt
index 7aa3b558071650040b8c89c7490c176dd4b3deb0..80f6da9c027e3e16706c435b2032f58b140fa8c2 100644
--- a/setup.txt
+++ b/setup.txt
@@ -2,6 +2,7 @@ Django>=1.11,<1.12
 
 # Pinned for Python 2 support.
 django-sitetree<1.13
+django-model-utils<4.0.0
 
 # Registrasion
 https://github.com/chrisjrn/registrasion/tarball/master
@@ -19,7 +20,6 @@ django-libsass
 django-markdown-deux
 django-countries
 easy-thumbnails
-django-model-utils
 django-email-log
 django-storages
 django-timezone-field