diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index 9408d57379d10ba0f1ea8eee8ec95d08b8c409cf..0ba029be6b9e41fe5f09c95e9a30881662b0ba07 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -208,6 +208,9 @@ Transliteration system
 - Daniel F. Kudwien 'sun' https://www.drupal.org/u/sun
 - Jennifer Hodgdon 'jhodgdon' https://www.drupal.org/u/jhodgdon
 
+Typed data system
+- Wolfgang Ziegler 'fago' https://www.drupal.org/u/fago
+
 Topic maintainers
 -----------------