diff --git a/application/config/migration.php b/application/config/migration.php
index 227bc690..e0cf1bd4 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -21,7 +21,7 @@ $config['migration_enabled'] = TRUE;
 | be upgraded / downgraded to.
 |
 */
-$config['migration_version'] = 71;
+$config['migration_version'] = 72;
 
 /*
 |--------------------------------------------------------------------------
diff --git a/application/migrations/072_update_cas9_qsos.php b/application/migrations/072_update_cas9_qsos.php
new file mode 100644
index 00000000..e69de29b