re-triggering hook_user_default_permissions? I build a module that implements hook_user_default_permissions to manage permissions for my site. It's been installed on the site, and its permissions took. But now, a while on, I am making some changes to the permissions, but they aren't taking.

I am trying to figure out how to re-trigger the hook being run. I've tried clearing cache, rebuilding the registry, disabling, uninstalling, and re-installing the module, and rebuilding user perms. None of these have worked. I've looked in the role_permission table to verify, and my changes have not been added.

How can I get the hook to run again?
It turns out that this hook is a part of features, so I needed to do a drush fr my_module.