diff --git a/meson.build b/meson.build
index b8b01c9aa..86d665b1b 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project('mutter', 'c',
   version: '47.0',
   meson_version: '>= 1.3.0',
-  license: 'GPLv2+'
+  license: 'GPL-2.0-or-later',
 )
 
 split_version = meson.project_version().split('.')