diff --git a/python-cassowary.changes b/python-cassowary.changes
index 1365169..a965b9a 100644
--- a/python-cassowary.changes
+++ b/python-cassowary.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu May 15 12:52:06 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to pip-based build
+
 -------------------------------------------------------------------
 Wed May 19 08:42:53 UTC 2021 - pgajdos@suse.com
 
diff --git a/python-cassowary.spec b/python-cassowary.spec
index f2a4092..7e7b85c 100644
--- a/python-cassowary.spec
+++ b/python-cassowary.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-cassowary
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,7 +16,6 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-cassowary
 Version:        0.5.2
 Release:        0
@@ -25,8 +24,10 @@ License:        BSD-3-Clause
 Group:          Development/Languages/Python
 URL:            https://github.com/brodderickrodriguez/cassowary
 Source:         https://files.pythonhosted.org/packages/source/c/cassowary/cassowary-%{version}.tar.gz
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildArch:      noarch
@@ -41,10 +42,10 @@ layout mechanism.
 %setup -q -n cassowary-%{version}
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
@@ -53,6 +54,7 @@ layout mechanism.
 %files %{python_files}
 %license LICENSE
 %doc AUTHORS README.rst
-%{python_sitelib}/*
+%{python_sitelib}/cassowary
+%{python_sitelib}/cassowary-%{version}*-info
 
 %changelog