--- shib_auth.install	2009-12-01 13:19:21.467389800 -0800
+++ shib_auth.install	2009-12-02 10:17:44.578125000 -0800
@@ -23,6 +23,9 @@ function shib_auth_install() {
       }
     }
   }
+  
+  db_query("UPDATE {system} SET weight = %d WHERE name = '%s'", -20, 'shib_auth');
+  
   cache_clear_all(NULL, 'cache_block');
 
   drupal_set_message(t('Shibboleth authentication module installed successfully.'));