fix sorl-thumnail req for django 1.9

diff --git a/requirements.txt b/requirements.txt
index 641eb4e..557671e 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ httplib2 # oauth2 dependency
 Django>=1.9,<1.10
 fnpdjango>=0.2,<0.3
 django-pipeline>=1.6,<1.7
-sorl-thumbnail>=12.2,<13
+sorl-thumbnail>=12.3,<13
 #django-maintenancemode>=0.9
 django-pagination
 django-gravatar2