diff --git a/.gitignore b/.gitignore
index 4a2bf2b..0dc3e7c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /humanize-0.5.1.tar.gz
 /0.5.1.tar.gz
 /3.13.1.tar.gz
+/humanize-3.13.1.tar.gz
diff --git a/python-humanize.spec b/python-humanize.spec
index 75dfd59..25091f9 100644
--- a/python-humanize.spec
+++ b/python-humanize.spec
@@ -2,22 +2,27 @@
 
 Name:           python-humanize
 Version:        3.13.1
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Turns dates in to human readable format, e.g '3 minutes ago'
 
 License:        MIT
 URL:            https://github.com/jmoiron/humanize
-Source0:        %{url}/archive/%{version}.tar.gz
+Source0:        %{pypi_source humanize}
 
 BuildArch:      noarch
 BuildRequires:  python3-devel
-BuildRequires:  python3-setuptools
+BuildRequires:  python3dist(setuptools-scm[toml])
 
-%if %{with check}
+
+%%if %{with check}
 BuildRequires:  python3-pytest
 BuildRequires:  python3-freezegun
 %endif
 
+%generate_buildrequires
+%pyproject_buildrequires -t
+
+
 
 %global _description\
 This modest package contains various common humanization utilities, like turning\
@@ -44,27 +49,40 @@ for lib in src/humanize/time.py src/humanize/filesize.py src/humanize/number.py;
  touch -r $lib $lib.new && mv $lib.new $lib
 done
 
-
-
 %build
-%py3_build
+%pyproject_wheel
 
 %install
-%py3_install
+%pyproject_install
+
+%find_lang humanize
 
 %if %{with check}
 %check
-%{__python3} setup.py test
+%tox
 %endif
 
-%files -n python3-humanize
+%files -n python3-humanize -f humanize.lang
 %dir %{python3_sitelib}/humanize
 %{python3_sitelib}/humanize/*.py
 %{python3_sitelib}/humanize/__pycache__
-%{python3_sitelib}/humanize-0.0.0-py%{python3_version}.egg-info
-%license LICENCE
+%{python3_sitelib}/humanize-%{version}.dist-info/INSTALLER
+%{python3_sitelib}/humanize-%{version}.dist-info/LICENCE
+%{python3_sitelib}/humanize-%{version}.dist-info/METADATA
+%{python3_sitelib}/humanize-%{version}.dist-info/WHEEL
+%{python3_sitelib}/humanize-%{version}.dist-info/top_level.txt
+%license %{python3_sitelib}/humanize-%{version}.dist-info/LICENCE
+
+%dir %{python3_sitelib}/humanize/locale
+%dir %{python3_sitelib}/humanize/locale/*
+%dir %{python3_sitelib}/humanize/locale/*/LC_MESSAGES
+%{python3_sitelib}/humanize/locale/*/LC_MESSAGES/*.mo
+%exclude %{python3_sitelib}/humanize/locale/*/LC_MESSAGES/*.po
 
 %changelog
+* Mon Jan 31 2022 Steve Traylen <steve.traylen@cern.ch> - 3.13.1-2
+- Switch to pypi source, toml and tox rhbz#2048090
+
 * Fri Jan 28 2022 Steve Traylen <steve.traylen@cern.ch> - 3.13.1-1
 - Update to 3.13.1
 
diff --git a/sources b/sources
index 94b8638..d120dcc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (3.13.1.tar.gz) = eef66fa077cd3fb102fe19fe41593023919f5db6f8842196f95e5e18588afd629dc397e10d48f48ffaa01bfe028d37b7a26fa94662a43a65f2303894e246138e
+SHA512 (humanize-3.13.1.tar.gz) = f2d510347f05f953bb6f67811a7fd062f721c76892388d43ea0f19f826e75853c6f7b6cddcd986c06414dc8a3c8b3c88bee16a61fa23baa24d951ba275114de2