diff --git a/orchestra/contrib/plans/models.py b/orchestra/contrib/plans/models.py
index af8d41a1..3c87da00 100644
--- a/orchestra/contrib/plans/models.py
+++ b/orchestra/contrib/plans/models.py
@@ -71,7 +71,8 @@ class RateQuerySet(models.QuerySet):
 class Rate(models.Model):
     service = models.ForeignKey('services.Service', verbose_name=_("service"),
         related_name='rates')
-    plan = models.ForeignKey(Plan, verbose_name=_("plan"), related_name='rates')
+    plan = models.ForeignKey(Plan, verbose_name=_("plan"), related_name='rates', null=True,
+        blank=True)
     quantity = models.PositiveIntegerField(_("quantity"), null=True, blank=True,
         help_text=_("See rate algorihm help text."))
     price = models.DecimalField(_("price"), max_digits=12, decimal_places=2)
diff --git a/requirements.txt b/requirements.txt
index 86e13d7e..6fc0c656 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ Pygments==1.6
 django-filter==0.7
 jsonfield==0.9.22
 python-dateutil==2.2
-passlib==1.6.2
+passlib==1.6.5
 django-iban==0.3.0
 requests
 phonenumbers