diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index 6ac66af..bd6d678 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -137,7 +137,7 @@ Documentation
 - Jennifer Hodgdon 'jhodgdon' <http://drupal.org/user/155601>
 
 Security
-- Heine Deelstra 'Heine' <http://drupal.org/user/17943>
+- Greg Knaddison 'greggles' <http://drupal.org/user/36762>
 
 Translations
 - Gerhard Killesreiter 'killes' <http://drupal.org/user/83>
@@ -211,7 +211,6 @@ Node module
 
 OpenID module
 - Vojtech Kusy 'wojtha' <http://drupal.org/user/56154>
-- Heine Deelstra 'Heine' <http://drupal.org/user/17943>
 - Christian Schmidt 'c960657' <http://drupal.org/user/216078>
 - Damien Tournoud 'DamZ' <http://drupal.org/user/22211>