--- pyproject.toml.orig	2026-04-23 20:15:51 UTC
+++ pyproject.toml
@@ -3,7 +3,7 @@ requires-python = ">=3.10"
 description = "Python implementation of the ASDF Standard"
 readme = "README.rst"
 requires-python = ">=3.10"
-license-files = ["LICENSE"]
+license = { file = 'LICENSE' }
 authors = [{ name = "The ASDF Developers" }]
 classifiers = [
   "Development Status :: 5 - Production/Stable",
