diff --git c/pyproject.toml w/pyproject.toml
index abfb59ac..8f9c2121 100644
--- c/pyproject.toml
+++ w/pyproject.toml
@@ -416,11 +416,10 @@ version = "5.1.1"
 description = "A tool for converting dictionary files aka glossaries."
 readme = "README.md"
 authors = [{ name = "Saeed Rasooli", email = "saeed.gnu@gmail.com" }]
-license = { text = "GPLv3+" }
+license = "GPL-3.0-or-later"
 keywords = ["dictionary", "glossary"]
 classifiers = [
 	"Development Status :: 5 - Production/Stable",
-	"License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
 	"Operating System :: OS Independent",
 	"Typing :: Typed",
 	"Programming Language :: Python :: 3.11",
@@ -430,6 +429,9 @@ classifiers = [
 requires-python = ">= 3.11"
 dependencies = []
 
+[project.scripts]
+pyglossary = "pyglossary.ui.main:main"
+
 [project.optional-dependencies]
 all = ["PyICU", "lxml", "beautifulsoup4"]
 
diff --git c/setup.py w/setup.py
index fd38a060..19df9ee3 100755
--- c/setup.py
+++ w/setup.py
@@ -8,8 +8,7 @@ import sys
 from glob import glob
 from os.path import dirname, exists, isdir, join
 
-from setuptools import setup
-from setuptools.command.install import install
+from setuptools import setup, find_packages
 
 VERSION = "5.1.1"
 log = logging.getLogger("root")
@@ -46,29 +45,6 @@ def getPipSafeVersion() -> str:
 	return VERSION
 
 
-class my_install(install):
-	def run(self) -> None:
-		install.run(self)
-		if os.sep == "/":
-			binPath = join(self.install_scripts, "pyglossary")
-			log.info(f"creating script file {binPath!r}")
-			if not exists(self.install_scripts):
-				os.makedirs(self.install_scripts)
-				# let it fail on wrong permissions.
-			elif not isdir(self.install_scripts):
-				raise OSError(
-					"installation path already exists "
-					f"but is not a directory: {self.install_scripts}",
-				)
-			open(binPath, "w", encoding="ascii").write("""#!/usr/bin/env -S python3 -O
-import sys
-from os.path import dirname
-sys.path.insert(0, dirname(__file__))
-from pyglossary.ui.main import main
-main()""")
-			os.chmod(binPath, 0o755)
-
-
 root_data_file_names = [
 	"about",
 	"LICENSE",
@@ -146,19 +122,14 @@ setup(
 	name="pyglossary",
 	version=getPipSafeVersion(),
 	python_requires=">=3.10.0",
-	cmdclass={
-		"install": my_install,
-	},
 	description="A tool for converting dictionary files aka glossaries.",
 	long_description_content_type="text/markdown",
 	long_description=long_description,
 	author="Saeed Rasooli",
 	author_email="saeed.gnu@gmail.com",
-	license="GPLv3+",
+	license="GPL-3.0-or-later",
 	url="https://github.com/ilius/pyglossary",
-	packages=[
-		"pyglossary",
-	],
+	packages=find_packages(),
 	entry_points={
 		"console_scripts": [
 			"pyglossary = pyglossary.ui.main:main",