--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/misc/migration/3.13.8_Any.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,5 @@
+change_attribute_type('CWCache', 'timestamp', 'TZDatetime')
+change_attribute_type('CWUser', 'last_login_time', 'TZDatetime')
+change_attribute_type('CWSource', 'latest_retrieval', 'TZDatetime')
+drop_attribute('CWSource', 'synchronizing')
+add_attribute('CWSource', 'in_synchronization')