Index: system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.722
diff -u -r1.722 system.module
--- system.module   5 Jul 2009 18:00:10 -0000   1.722
+++ system.module   7 Jul 2009 08:14:16 -0000
@@ -2311,6 +2311,7 @@
         'user' => array('view', 'insert', 'update', 'delete', 'login'),
         'taxonomy' => array('insert', 'update', 'delete'),
         'cron' => array('run'),
+        'simplenews' => array('subscribe', 'unsubscribe'),
       )
     ),
     'system_block_ip_action' => array(