Index: branches/5.3.x/install/upgrades.sql
===================================================================
diff -u -N -r16105 -r16216
--- branches/5.3.x/install/upgrades.sql	(.../upgrades.sql)	(revision 16105)
+++ branches/5.3.x/install/upgrades.sql	(.../upgrades.sql)	(revision 16216)
@@ -277,3 +277,6 @@
 # ===== v 5.2.1 =====
 
 # ===== v 5.3.0-B1 =====
+UPDATE Modules
+SET ClassNamespace = 'InPortal\\Modules\\InBulletin'
+WHERE `Name` = 'In-Bulletin';