--- pyproject.toml.orig	2026-05-01 20:43:36 UTC
+++ pyproject.toml
@@ -5,7 +5,7 @@ requires = [
     #   `[tool.setuptools.ext-modules]` in `pyproject.toml` is still
     #   *experimental* and likely to change in future releases
     #
-    "setuptools == 80.3.1",
+    "setuptools >= 61",
     "wheel >= 0.37",
     "tomli >= 2.0.1; python_version < '3.11'",
 ]
@@ -25,8 +25,7 @@ version = "3.3.4"
 name = "psycopg-c"
 description = "PostgreSQL database adapter for Python -- C optimisation distribution"
 version = "3.3.4"
-license = "LGPL-3.0-only"
-license-files = ["LICENSE.txt"]
+license = {text = "LGPL-3.0-only"}
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
@@ -89,16 +88,6 @@ psycopg_binary = [
     "py.typed",
     "*.pyi",
 ]
-
-# Note: these ext modules lack details such as libraries and directories.
-# They are added by the 'psycopg_build_ext' build module.
-[[tool.setuptools.ext-modules]]
-name = "psycopg_c._psycopg"
-sources = ["psycopg_c/_psycopg.c", "psycopg_c/types/numutils.c"]
-
-[[tool.setuptools.ext-modules]]
-name = "psycopg_c.pq"
-sources = ["psycopg_c/pq.c"]
 
 [tool.setuptools.cmdclass]
 build_ext = "psycopg_build_ext.psycopg_build_ext"