diff --git a/pyproject.toml b/pyproject.toml
index dce6a0870e1..3e7603652b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,8 @@ keywords = [
     "test",
     "unittest",
 ]
-license = { text = "MIT" }
+license = "MIT"
+license-files = [ "LICENSE" ]
 authors = [
     { name = "Holger Krekel" },
     { name = "Bruno Oliveira" },
@@ -27,7 +28,6 @@ requires-python = ">=3.9"
 classifiers = [
     "Development Status :: 6 - Mature",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
     "Operating System :: MacOS",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: POSIX",