diff --git a/pyproject.toml b/pyproject.toml
index 232e0a328..e33e1a81f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,8 @@ version = '0.18.0.dev0'
 description = 'Meson Python build backend (PEP 517)'
 readme = 'README.rst'
 requires-python = '>= 3.8'
-license = { file = 'LICENSES/MIT.txt' }
+license = 'MIT'
+license-files = ['LICENSES/MIT.txt']
 keywords = ['meson', 'build', 'backend', 'pep517', 'package']
 maintainers = [
   { name = 'Ralf Gommers', email = 'ralf.gommers@gmail.com' },