diff --git a/stretch/preferences.d/entrouvert-debian-backports b/stretch/preferences.d/entrouvert-debian-backports
index 47b5777..3987877 100644
--- a/stretch/preferences.d/entrouvert-debian-backports
+++ b/stretch/preferences.d/entrouvert-debian-backports
@@ -2,6 +2,10 @@ Package: python-django
 Pin: release a=stretch-backports
 Pin-Priority: 900
 
+Package: python-django-common
+Pin: release a=stretch-backports
+Pin-Priority: 900
+
 #
 # certbot packages
 #