diff --git a/lib/Drush/UpdateService/Project.php b/lib/Drush/UpdateService/Project.php
index d933922..187fe2f 100644
--- a/lib/Drush/UpdateService/Project.php
+++ b/lib/Drush/UpdateService/Project.php
@@ -120,6 +120,14 @@ class Project {
       }
     }
 
+    // This is a hack to simulate XML that could be returned from drupal.org to
+    // mark Drupal 6 core as unsupported.
+    if ($project_info['short_name'] == 'drupal') {
+      $project_info['supported_majors'] = '7,8';
+      $project_info['recommended_major'] = '7';
+      $project_info['default_major'] = '7';
+    }
+
     // Parse project type.
     $project_types = array(
       'core' => 'project_core',