diff --git a/python-strictyaml.spec b/python-strictyaml.spec
index f9c0c0b..e7f3f6c 100644
--- a/python-strictyaml.spec
+++ b/python-strictyaml.spec
@@ -17,7 +17,7 @@ Source0:        %{forgesource}
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
-BuildRequires:  python3dist(setuptools)
+BuildRequires:  pyproject-rpm-macros
 
 # We do not attempt to build the documentation, since it requires an
 # idiosyncratic build system (see https://hitchdev.com/) that is hopelessly
@@ -43,6 +43,10 @@ Priorities:
 %description %{common_description}
 
 
+%generate_buildrequires
+%pyproject_buildrequires
+
+
 %package -n     python3-%{srcname}
 Summary:        %{summary}
 
@@ -54,29 +58,28 @@ Summary:        %{summary}
 
 
 %build
-%py3_build
+%pyproject_wheel
 
 
 %install
-%py3_install
+%pyproject_install
+%pyproject_save_files %{srcname}
 
 
 # There are no tests. (If there were, it would be as hard to run them as it is
 # to build the documentation.)
 
 
-%files -n python3-%{srcname}
+%files -n python3-%{srcname} -f %{pyproject_files}
 %license LICENSE.txt
 %doc CHANGELOG.md
 %doc README.md
 
-%{python3_sitelib}/%{srcname}
-%{python3_sitelib}/%{srcname}-%{version}-py%{python3_version}.egg-info
-
 
 %changelog
 * Mon Mar 29 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.4.0-1
 - Update to 1.4.0
+- Start using pyproject-rpm-macros
 
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.3.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild