diff --git a/no-utcfromtimestamp.patch b/no-utcfromtimestamp.patch
new file mode 100644
index 0000000..0ad9414
--- /dev/null
+++ b/no-utcfromtimestamp.patch
@@ -0,0 +1,48 @@
+Index: python-dateutil-2.8.2/dateutil/tz/tz.py
+===================================================================
+--- python-dateutil-2.8.2.orig/dateutil/tz/tz.py
++++ python-dateutil-2.8.2/dateutil/tz/tz.py
+@@ -34,7 +34,7 @@ except ImportError:
+ from warnings import warn
+ 
+ ZERO = datetime.timedelta(0)
+-EPOCH = datetime.datetime.utcfromtimestamp(0)
++EPOCH = datetime.datetime.fromtimestamp(0, tz=datetime.timezone.utc)
+ EPOCHORDINAL = EPOCH.toordinal()
+ 
+ 
+@@ -1809,9 +1809,9 @@ def resolve_imaginary(dt):
+ def _datetime_to_timestamp(dt):
+     """
+     Convert a :class:`datetime.datetime` object to an epoch timestamp in
+-    seconds since January 1, 1970, ignoring the time zone.
++    seconds since January 1, 1970, forcing to UTC.
+     """
+-    return (dt.replace(tzinfo=None) - EPOCH).total_seconds()
++    return (dt.replace(tzinfo=datetime.timezone.utc) - EPOCH).total_seconds()
+ 
+ 
+ if sys.version_info >= (3, 6):
+Index: python-dateutil-2.8.2/dateutil/test/test_tz.py
+===================================================================
+--- python-dateutil-2.8.2.orig/dateutil/test/test_tz.py
++++ python-dateutil-2.8.2/dateutil/test/test_tz.py
+@@ -10,6 +10,7 @@ from datetime import tzinfo
+ from six import PY2
+ from io import BytesIO, StringIO
+ import unittest
++import warnings
+ 
+ import sys
+ import base64
+@@ -2809,3 +2810,10 @@ def test_resolve_imaginary(tzi, dt, dt_e
+     assert dt_r == dt_exp
+     assert dt_r.tzname() == dt_exp.tzname()
+     assert dt_r.utcoffset() == dt_exp.utcoffset()
++
++
++def test_epoch():
++    # We're really try to see that no warnings are raised
++    with warnings.catch_warnings():
++        warnings.simplefilter("error")
++        assert tz.EPOCH - tz.EPOCH == timedelta(0)
diff --git a/python-python-dateutil.changes b/python-python-dateutil.changes
index cf10ab4..d26f960 100644
--- a/python-python-dateutil.changes
+++ b/python-python-dateutil.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Sep 18 04:39:14 UTC 2023 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Add patch no-utcfromtimestamp.patch, stop using a deprecated function.
+- Switch to pyproject and autosetup macros.
+- Stop using greedy globs in %files.
+
 -------------------------------------------------------------------
 Fri Apr 21 12:32:11 UTC 2023 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-python-dateutil.spec b/python-python-dateutil.spec
index 418614f..94d6d0e 100644
--- a/python-python-dateutil.spec
+++ b/python-python-dateutil.spec
@@ -16,7 +16,6 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define oldpython python
 %global flavor @BUILD_FLAVOR@%{nil}
 %if "%{flavor}" == "test"
@@ -34,9 +33,12 @@ Summary:        A Python Datetime Library
 License:        Apache-2.0 OR BSD-3-Clause
 URL:            https://dateutil.readthedocs.org/en/latest/
 Source0:        https://files.pythonhosted.org/packages/source/p/python-dateutil/python-dateutil-%{version}.tar.gz
+Patch0:         no-utcfromtimestamp.patch
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools >= 24.3}
 BuildRequires:  %{python_module setuptools_scm}
 BuildRequires:  %{python_module six >= 1.5}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  dos2unix
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
@@ -86,16 +88,16 @@ datetime module.
 Orthodox or Julian algorithms.
 
 %prep
-%setup -q -n python-dateutil-%{version}
+%autosetup -p1 -n python-dateutil-%{version}
 #cleanup and MSdos style end of line separators
 dos2unix LICENSE NEWS PKG-INFO README.rst
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
 %if !%{with test}
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 %endif
 
@@ -110,7 +112,8 @@ export LANG=en_US.UTF-8
 %files %{python_files}
 %doc NEWS PKG-INFO README.rst
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/dateutil
+%{python_sitelib}/python_dateutil-%{version}.dist-info
 %endif
 
 %changelog