diff --git a/python-nbdime.spec b/python-nbdime.spec
index 6f4309a..631d39c 100644
--- a/python-nbdime.spec
+++ b/python-nbdime.spec
@@ -6,6 +6,7 @@ Release:        %autorelease
 Summary:        Diff and merge of Jupyter notebooks
 
 License:        BSD-3-Clause
+BuildArch:      noarch
 URL:            https://nbdime.readthedocs.io/
 VCS:            git:%{giturl}.git
 Source0:        %{giturl}/archive/v%{version}/nbdime-%{version}.tar.gz
@@ -21,12 +22,7 @@ Patch:          %{name}-unbundle-fontawesome.patch
 # components for x86_64 and aarch64 only.  Check later releases to see if
 # the nx version has rolled forward to a version that supports more
 # architectures
-ExclusiveArch:  %{x86_64} %{arm64} noarch
-
-BuildArch:      noarch
-BuildSystem:    pyproject
-BuildOption(generate_buildrequires): -x docs,test
-BuildOption(install): -l nbdime
+ExclusiveArch:  x86_64 aarch64
 
 BuildRequires:  fdupes
 BuildRequires:  fontawesome-fonts-web
@@ -36,10 +32,12 @@ BuildRequires:  help2man
 BuildRequires:  make
 BuildRequires:  nodejs-devel
 BuildRequires:  nodejs-npm
+BuildRequires:  python3-devel
 BuildRequires:  python3-docs
 BuildRequires:  yarnpkg
 
-%global _desc %{expand:Nbdime provides tools for diffing and merging of Jupyter notebooks.
+%global _desc %{expand:
+Nbdime provides tools for diffing and merging of Jupyter notebooks.
 
 - nbdiff: compare notebooks in a terminal-friendly way
 - nbmerge: three-way merge of notebooks with automatic conflict resolution
@@ -47,8 +45,7 @@ BuildRequires:  yarnpkg
 - nbmerge-web: gives you a web-based three-way merge tool for notebooks
 - nbshow: present a single notebook in a terminal-friendly way}
 
-%description
-%_desc
+%description %_desc
 
 %package -n python3-nbdime
 # The nbdime project is released under the BSD-3-Clause license.
@@ -194,8 +191,7 @@ Provides:       bundled(npm(w3c-keyname)) = 2.2.8
 Provides:       bundled(npm(y-protocols)) = 1.0.6
 Provides:       bundled(npm(yjs)) = 13.6.18
 
-%description -n python3-nbdime
-%_desc
+%description -n python3-nbdime %_desc
 
 %package        doc
 # The content is BSD-3-Clause.  Other licenses are due to Sphinx files.
@@ -226,7 +222,6 @@ Documentation for %{name}.
 %autosetup -n nbdime-%{version} -a1 -p1
 cp -p %{SOURCE2} .
 
-%conf
 # Remove useless shebangs
 sed -i '\,#!/usr/bin/env,d' \
   nbdime/diffing/directorydiff.py \
@@ -241,26 +236,30 @@ sed -i '\,#!/usr/bin/env,d' \
 sed -e "s|\('https://docs\.python\.org/3\.5', \)None|\1'%{_docdir}/python3-docs/html/objects.inv'|" \
     -i docs/source/conf.py
 
-%generate_buildrequires -p
 # Do not depend on jupyter_server_mathjax; it doesn't work in jupyterlab 4.10+
 # https://github.com/jupyter-server/jupyter_server_mathjax/issues/20
 sed -i '/jupyter_server_mathjax/d' pyproject.toml
-# Do not run code coverage tools
-sed -i '/pytest-cov/d' pyproject.toml
 
-%build -p
+%generate_buildrequires
+%pyproject_buildrequires -x docs,test
+
+%build
 export YARN_CACHE_FOLDER="$PWD/.package-cache"
 export npm_config_nodedir=%{_includedir}/node
 export CFLAGS='%{build_cflags} -I%{_includedir}/node'
 export CXXFLAGS='%{build_cxxflags} -I%{_includedir}/node'
 yarn install --offline
 
-%build -a
+%pyproject_wheel
+
 # Build the documentation
 PYTHONPATH=$PWD make -C docs html
 rm docs/build/html/.buildinfo
 
-%install -a
+%install
+%pyproject_install
+%pyproject_save_files -l nbdime
+
 # Move the configuration files to the standard Jupyter directories
 mv %{buildroot}%{_prefix}%{_sysconfdir} %{buildroot}%{_sysconfdir}