diff --git a/no-more-lib2to3.patch b/no-more-lib2to3.patch
new file mode 100644
index 0000000..d7328c6
--- /dev/null
+++ b/no-more-lib2to3.patch
@@ -0,0 +1,15 @@
+Index: unify-0.5/unify.py
+===================================================================
+--- unify-0.5.orig/unify.py
++++ unify-0.5/unify.py
+@@ -122,8 +122,8 @@ def detect_encoding(filename):
+     """Return file encoding."""
+     try:
+         with open(filename, 'rb') as input_file:
+-            from lib2to3.pgen2 import tokenize as lib2to3_tokenize
+-            encoding = lib2to3_tokenize.detect_encoding(input_file.readline)[0]
++            import tokenize
++            encoding = tokenize.detect_encoding(input_file.readline)[0]
+ 
+             # Check for correctness of encoding.
+             with open_with_encoding(filename, encoding) as input_file:
diff --git a/python-unify.changes b/python-unify.changes
index 3c814ab..7dd4e7f 100644
--- a/python-unify.changes
+++ b/python-unify.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Dec 12 05:44:15 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Switch to autosetup and pyproject macros.
+- Add patch no-more-lib2to3.patch:
+  * Don't use lib2to3, use the tokenize module.
+
 -------------------------------------------------------------------
 Tue Mar 19 12:44:31 UTC 2024 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-unify.spec b/python-unify.spec
index 7c008ff..beac610 100644
--- a/python-unify.spec
+++ b/python-unify.spec
@@ -21,11 +21,14 @@ Version:        0.5
 Release:        0
 Summary:        Tool to modify strings to use the same quotes
 License:        MIT
-Group:          Development/Languages/Python
 URL:            https://github.com/myint/unify
 Source:         https://github.com/myint/unify/archive/v%{version}.tar.gz
 Source9:        README.suse
+# PATCH-FIX-OPENSUSE Do not use lib2to3
+Patch0:         no-more-lib2to3.patch
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-untokenize
@@ -45,21 +48,22 @@ Note that the "unify" executable has been renamed to "unify_quotes" to
 avoid conflicts with the wdiff package.
 
 %prep
-%setup -q -n unify-%{version}
+%autosetup -p1 -n unify-%{version}
 sed -i -e '/^#!\//, 1d' unify.py
 cp %{SOURCE9} .
 
 %build
-%python_build
+%pyproject_wheel
 
 %check
 # https://github.com/myint/unify/issues/22
 donttest="DUMMY"
 python312_donttest="or (TestUnitsWithFstrings and test_format_code)"
+python313_donttest=$python312_donttest
 %pytest -k "not ($donttest ${$python_donttest})"
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 mv %{buildroot}%{_bindir}/unify %{buildroot}%{_bindir}/unify_quotes
 %python_clone -a %{buildroot}%{_bindir}/unify_quotes
@@ -75,7 +79,7 @@ mv %{buildroot}%{_bindir}/unify %{buildroot}%{_bindir}/unify_quotes
 %doc README.rst README.suse
 %python_alternative %{_bindir}/unify_quotes
 %{python_sitelib}/unify.py
-%pycache_only %{python_sitelib}/__pycache__/unify*
-%{python_sitelib}/unify-%{version}*info
+%pycache_only %{python_sitelib}/__pycache__/unify*pyc
+%{python_sitelib}/unify-%{version}.dist-info
 
 %changelog