diff --git a/pyproject.toml b/pyproject.toml
index 33caa6f31..6536daae7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 # Minimum requirements for the build system to execute.
 requires = [
-    "setuptools>=47.2.0",
+    "setuptools>=77.0.0",
     "wheel",
     "setuptools_scm[toml]",
 ]
@@ -15,7 +15,8 @@ authors = [
 ]
 description = "embedded systems control library for development, testing and installation"
 readme = "README.rst"
-license = { file="LICENSE" }
+license = "LGPL-2.0-or-later"
+license-files = ["LICENSE"]
 requires-python = ">=3.9"
 classifiers = [
     "Intended Audience :: Developers",
@@ -29,7 +30,6 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
-    "License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)",
 ]
 dependencies = [
     "attrs>=21.4.0",