diff --git a/core/MAINTAINERS.txt b/core/MAINTAINERS.txt
index 9408d57..c1e52e0 100644
--- a/core/MAINTAINERS.txt
+++ b/core/MAINTAINERS.txt
@@ -195,6 +195,7 @@ Theme system
 - Scott Reeves 'Cottser' https://www.drupal.org/u/cottser
 - Fabian Franz 'Fabianx' https://www.drupal.org/u/fabianx
 - Joël Pittet 'joelpittet' https://www.drupal.org/u/joelpittet
+- Lauri Eskola 'lauriii' https://www.drupal.org/u/lauriii
 
 Token system
 - Dave Reid 'davereid' https://www.drupal.org/u/davereid