diff --git a/requirements/development.txt b/requirements/development.txt
index ee28298f56..9f8ba5e483 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -8,3 +8,4 @@ celery==2.2.2
 django-celery==2.2.2
 django-sentry==1.6.0
 django-taggit==0.9.3
+django-mptt==0.4.2
diff --git a/requirements/production.txt b/requirements/production.txt
index 62ae3df364..3fd3f1706f 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -5,3 +5,4 @@ celery==2.2.2
 django-celery==2.2.2
 django-sentry==1.6.0
 django-taggit==0.9.3
+django-mptt==0.4.2