diff --git a/test_requirements/django-1.6.txt b/test_requirements/django-1.6.txt
index e53c233..84263fc 100644
--- a/test_requirements/django-1.6.txt
+++ b/test_requirements/django-1.6.txt
@@ -1,5 +1,7 @@
 django>=1.6,<1.7
 South>=1.0.2
 django-reversion<1.8.3
+# mptt 0.8 release drops Django 1.6, 1.7
+django-mptt<0.8
 
 -r base.txt
diff --git a/test_requirements/django-1.7.txt b/test_requirements/django-1.7.txt
index 11c3677..f391937 100644
--- a/test_requirements/django-1.7.txt
+++ b/test_requirements/django-1.7.txt
@@ -1,3 +1,5 @@
 django>=1.7.5,<1.8
 django-reversion>=1.8.7,<1.9
+# mptt 0.8 release drops Django 1.6, 1.7
+django-mptt<0.8
 -r base.txt