diff --git a/python-signedjson.changes b/python-signedjson.changes
index 5f5a189..f6879e6 100644
--- a/python-signedjson.changes
+++ b/python-signedjson.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Jun 12 11:59:32 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to pip-based build
+
 -------------------------------------------------------------------
 Sun Jun 11 14:08:47 UTC 2023 - ecsos <ecsos@opensuse.org>
 
diff --git a/python-signedjson.spec b/python-signedjson.spec
index 9984548..f85491c 100644
--- a/python-signedjson.spec
+++ b/python-signedjson.spec
@@ -1,7 +1,7 @@
 #
-# spec file
+# spec file for package python-signedjson
 #
-# Copyright (c) 2023 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
@@ -27,7 +27,9 @@ License:        Apache-2.0
 Group:          Development/Languages/Python
 URL:            https://github.com/matrix-org/%{name}
 Source0:        https://files.pythonhosted.org/packages/source/s/signedjson/%{modname}-%{version}.tar.gz
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools_scm}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-PyNaCl >= 0.3.0
@@ -65,10 +67,10 @@ Features:
 %setup -q -n %{modname}-%{version}
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check