diff --git a/python-cffi.spec b/python-cffi.spec
index 754a4e4..d9abd4f 100644
--- a/python-cffi.spec
+++ b/python-cffi.spec
@@ -22,6 +22,7 @@ Patch:          https://foss.heptapod.net/pypy/cffi/-/commit/87f514b.patch
 Patch:          https://foss.heptapod.net/pypy/cffi/-/commit/69660bd.patch
 Patch:          https://foss.heptapod.net/pypy/cffi/-/commit/814c55e.patch
 
+BuildRequires:  python3-devel
 BuildRequires:  make
 BuildRequires:  libffi-devel
 BuildRequires:  gcc
@@ -36,11 +37,6 @@ based on LuaJIT’s FFI.
 
 %package -n python3-cffi
 Summary:        Foreign Function Interface for Python 3 to call C code
-BuildRequires:  python3-sphinx
-BuildRequires:  python3-pytest
-BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
-BuildRequires:  python3-pycparser
 
 %description -n python3-cffi
 Foreign Function Interface for Python, providing a convenient and
@@ -50,6 +46,7 @@ based on LuaJIT’s FFI.
 %package doc
 Summary:        Documentation for CFFI
 BuildArch:      noarch
+BuildRequires:  python3-sphinx
 
 %description doc
 Documentation for CFFI, the Foreign Function Interface for Python.
@@ -57,25 +54,25 @@ Documentation for CFFI, the Foreign Function Interface for Python.
 %prep
 %autosetup -p1 -n cffi-v%{general_version}%{?prerel}
 
+%generate_buildrequires
+%pyproject_buildrequires requirements.txt
+
 %build
-%py3_build
+%pyproject_wheel
 
 cd doc
 make SPHINXBUILD=sphinx-build-3 html
 rm build/html/.buildinfo
 
 %install
-%py3_install
+%pyproject_install
+%pyproject_save_files _cffi_backend cffi
 
 %check
-PYTHONPATH=%{buildroot}%{python3_sitearch} %{__python3} -m pytest c/ testing/
+%pytest c/ testing/
 
-%files -n python3-cffi
+%files -n python3-cffi -f %{pyproject_files}
 %doc README.md
-%license LICENSE
-%{python3_sitearch}/cffi/
-%{python3_sitearch}/_cffi_backend.*.so
-%{python3_sitearch}/cffi-%{general_version}%{?prerel}-py%{python3_version}.egg-info/
 
 %files doc
 %doc doc/build/html