diff --git a/python-calmjs.changes b/python-calmjs.changes
index fed1d08..83042a2 100644
--- a/python-calmjs.changes
+++ b/python-calmjs.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Dec  9 03:34:48 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Add patch support-python-313.patch:
+  * Support Python 3.13+ argparse output changes.
+- Switch to pyrpoject macros.
+
 -------------------------------------------------------------------
 Sun Jun 18 16:34:42 UTC 2023 - Andreas Schneider <asn@cryptomilk.org>
 
diff --git a/python-calmjs.spec b/python-calmjs.spec
index f2ae7a4..151c6f4 100644
--- a/python-calmjs.spec
+++ b/python-calmjs.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-calmjs
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -24,6 +24,8 @@ Summary:        A Python framework for working with the Node.js ecosystem
 License:        GPL-2.0-or-later
 URL:            https://github.com/calmjs/calmjs/
 Source:         https://github.com/calmjs/calmjs/archive/%{version}.tar.gz
+# PATCH-FIX-OPENSUSE Support Python 3.13 argparse output changes
+Patch0:         support-python-313.patch
 BuildRequires:  %{python_module calmjs.parse >= 1.0.0}
 BuildRequires:  %{python_module calmjs.types}
 BuildRequires:  %{python_module pip}
@@ -33,8 +35,9 @@ BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-calmjs.parse >= 1.0.0
 Requires:       python-calmjs.types
+Requires:       python-setuptools
 Requires(post): update-alternatives
-Requires(postun):update-alternatives
+Requires(postun): update-alternatives
 BuildArch:      noarch
 # SECTION test requirements
 BuildRequires:  nodejs-common
@@ -54,11 +57,11 @@ rm src/calmjs/tests/test_yarn.py
 
 %build
 export LANG=en_US.UTF-8
-%python_build
+%pyproject_wheel
 
 %install
 export LANG=en_US.UTF-8
-%python_install
+%pyproject_install
 %python_clone -a %{buildroot}%{_bindir}/calmjs
 # see https://github.com/calmjs/calmjs/issues/65 for maintainer feedback
 # regarding these two subpackages.
@@ -83,6 +86,6 @@ export LANG=en_US.UTF-8
 %python_alternative %{_bindir}/calmjs
 %{python_sitelib}/calmjs
 %{python_sitelib}/calmjs-%{version}*-nspkg.pth
-%{python_sitelib}/calmjs-%{version}*-info
+%{python_sitelib}/calmjs-%{version}.dist-info
 
 %changelog
diff --git a/support-python-313.patch b/support-python-313.patch
new file mode 100644
index 0000000..e9e10ff
--- /dev/null
+++ b/support-python-313.patch
@@ -0,0 +1,42 @@
+Index: calmjs-3.4.4/src/calmjs/tests/test_argparse.py
+===================================================================
+--- calmjs-3.4.4.orig/src/calmjs/tests/test_argparse.py
++++ calmjs-3.4.4/src/calmjs/tests/test_argparse.py
+@@ -112,7 +112,10 @@ class HelpFormatterTestCase(unittest.Tes
+             for line in stream.getvalue().splitlines() if
+             '--' in line
+         ]
+-        self.assertEqual(options, ['-a', '-g', '-s', '-z'])
++        expected = ['-a', '-g', '-s', '-z']
++        if sys.version_info >= (3, 13):
++            expected = [f"{x}," for x in expected]
++        self.assertEqual(options, expected)
+ 
+     def test_sorted_case_insensitivity(self):
+         parser = argparse.ArgumentParser(
+@@ -131,7 +134,10 @@ class HelpFormatterTestCase(unittest.Tes
+             '--' in line
+         ]
+         # the case is unspecified due to in-place sorting
+-        self.assertEqual(options, ['-a', '-A', '-g', '-S', '-s', '-z'])
++        expected = ['-a', '-A', '-g', '-S', '-s', '-z']
++        if sys.version_info >= (3, 13):
++            expected = [f"{x}," for x in expected]
++        self.assertEqual(options, expected)
+ 
+     def test_sorted_simple_first(self):
+         parser = argparse.ArgumentParser(
+@@ -150,8 +156,11 @@ class HelpFormatterTestCase(unittest.Tes
+             '--' in line and '[' not in line
+         ]
+         # the case is unspecified due to in-place sorting
+-        self.assertEqual(options, [
+-            '-a', '-A', '-z', '--goat', '--sheep', '--SNAKE'])
++        long_options = ['--goat', '--sheep', '--SNAKE']
++        expected = ['-a', '-A', '-z']
++        if sys.version_info >= (3, 13):
++            expected = [f"{x}," for x in expected]
++        self.assertEqual(options, expected + long_options)
+ 
+ 
+ class ArgumentParserTestCase(unittest.TestCase):