diff --git a/jupytext-1.16.6-vendor-licenses.txt b/jupytext-1.17.3-vendor-licenses.txt
similarity index 70%
rename from jupytext-1.16.6-vendor-licenses.txt
rename to jupytext-1.17.3-vendor-licenses.txt
index da105a4..2d281d9 100644
--- a/jupytext-1.16.6-vendor-licenses.txt
+++ b/jupytext-1.17.3-vendor-licenses.txt
@@ -1,15 +1,15 @@
-├─ MIT: 744
-├─ ISC: 218
-├─ BSD-3-Clause: 97
+├─ MIT: 766
+├─ ISC: 188
+├─ BSD-3-Clause: 99
 ├─ Apache-2.0: 56
 ├─ BSD-2-Clause: 29
-├─ (MIT OR CC0-1.0): 7
-├─ CC0-1.0: 2
-├─ BlueOak-1.0.0: 2
+├─ BlueOak-1.0.0: 7
+├─ (MIT OR CC0-1.0): 6
 ├─ UNLICENSED: 2
+├─ CC0-1.0: 2
 ├─ 0BSD: 2
+├─ MIT-0: 1
 ├─ (CC-BY-4.0 AND OFL-1.1 AND MIT): 1
-├─ MIT*: 1
 ├─ (MIT OR Apache-2.0): 1
 ├─ Python-2.0: 1
 ├─ CC-BY-4.0: 1
diff --git a/prepare_vendor.sh b/prepare_vendor.sh
index d6f81c1..bb5eebc 100755
--- a/prepare_vendor.sh
+++ b/prepare_vendor.sh
@@ -64,6 +64,7 @@ jlpm license-checker --summary | sed "s#$PKG_PATH#/tmp/#g" > $PKG_DIR/${PKG_NAME
 cd -
 
 rm -rf .package-cache node_modules
-cleanup_and_exit 0
 
 echo ">>>>>> Remember to run this script on both x86_64 AND aarch64 and merge"
+
+cleanup_and_exit 0
diff --git a/python-jupytext.spec b/python-jupytext.spec
index 927efa8..120bc67 100644
--- a/python-jupytext.spec
+++ b/python-jupytext.spec
@@ -1,16 +1,12 @@
-# NOTE: sphinx-gallery support requires a version <= 0.8.  Upstream will
-# accept patches to make it work with later versions.
-
 %global giturl  https://github.com/mwouts/jupytext
 #global vsuffix d
 
 Name:           python-jupytext
-Version:        1.16.6
+Version:        1.17.3
 Release:        %autorelease
 Summary:        Save Jupyter notebooks as text documents or scripts
 
 License:        MIT
-BuildArch:      noarch
 URL:            https://jupytext.readthedocs.io/
 VCS:            git:%{giturl}.git
 Source0:        %{giturl}/archive/v%{version}/jupytext-%{version}%{?vsuffix}.tar.gz
@@ -21,7 +17,13 @@ Source3:        prepare_vendor.sh
 
 # s390x builds fail due to a bug in jupyterlab
 # https://bugzilla.redhat.com/show_bug.cgi?id=2278011
-ExcludeArch:    s390x
+# ppc64le builds fail due to lack of a binary builder
+ExclusiveArch:  %{x86_64} %{arm64} noarch
+
+BuildArch:      noarch
+BuildSystem:    pyproject
+BuildOption(generate_buildrequires): -x docs,test,test-functional,test-integration
+BuildOption(install): -l jupytext jupytext_config
 
 BuildRequires:  gcc-c++
 BuildRequires:  help2man
@@ -29,8 +31,6 @@ BuildRequires:  make
 BuildRequires:  nodejs-devel
 BuildRequires:  nodejs-npm
 BuildRequires:  pandoc
-BuildRequires:  python3-devel
-BuildRequires:  %{py3_dist setuptools}
 
 # Temporary workaround for https://bugzilla.redhat.com/show_bug.cgi?id=2275382
 BuildRequires:  nodejs-full-i18n
@@ -73,7 +73,7 @@ Requires:       jupyterlab >= 4.0
 Provides:       bundled(npm(base64-js)) = 1.5.1
 Provides:       bundled(npm(buffer)) = 6.0.3
 Provides:       bundled(npm(ieee754)) = 1.2.1
-Provides:       bundled(npm(jupyterlab-rise)) = 0.41.0
+Provides:       bundled(npm(jupyterlab-rise)) = 0.43.1
 
 %description -n python3-jupyterlab-jupytext %_desc
 
@@ -121,28 +121,25 @@ sed -i '/jupytext/d' docs/doc-requirements.txt
 # Take this package out of the test requirements
 sed -ri '/jupytext\[test(-functional)?\]/d' pyproject.toml
 
-%generate_buildrequires
+%generate_buildrequires -p
 export HATCH_BUILD_HOOKS_ENABLE=true
-%pyproject_buildrequires -x docs,test,test-functional,test-integration
 
-%build
+%build -p
 export HATCH_BUILD_HOOKS_ENABLE=true
 export YARN_CACHE_FOLDER="$PWD/jupyterlab/.package-cache"
 export npm_config_nodedir=%{_includedir}/node
 export CFLAGS='%{build_cflags} -I%{_includedir}/node'
 export CXXFLAGS='%{build_cxxflags} -I%{_includedir}/node'
 
-%pyproject_wheel
-
+%build -a
 # Build the documentation
 PYTHONPATH=$PWD %make_build -C docs html
 rm docs/_build/html/.buildinfo
 
-%install
+%install -p
 export HATCH_BUILD_HOOKS_ENABLE=true
-%pyproject_install
-%pyproject_save_files -l jupytext jupytext_config
 
+%install -a
 # Cleanup backup files
 find %{buildroot}%{_prefix} -name \*.orig -delete
 
diff --git a/sources b/sources
index ec4c1b2..0f26449 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (jupytext-1.16.6-vendor.tar.xz) = d5a6a2294caace6fcadacd2c9126d078420336a145996fbbebbf7d2eed3c8103698abccee595a469e419787a53072839c3da785a61b1c00eb5c442608948b03c
-SHA512 (jupytext-1.16.6.tar.gz) = 8580678ef70b7d9fd2056b533697e807252fd7a9fe45ebdae48ee536a157a5e1a6b33cfaa7266710e5e5fb15bb1098419ed6fbadce0b5dee4ca9f2eb0040bcfd
+SHA512 (jupytext-1.17.3-vendor.tar.xz) = 3bcdf1a0b73315e5d832e80e42f538333264bf9dfe6a92a9ce670c895368baa4f123c9464f21347cb48c197769088696f8de9a6f1b3c073ea7075b7f2dd22127
+SHA512 (jupytext-1.17.3.tar.gz) = 768093d759ccc24b7c8b832267e18a3f2a98480bac890b867ad976d902ca44f684872330740f3a092e3b063e31cdaf11a19a31c8ec71c75456a891b35ab11467