diff --git a/python-msal.spec b/python-msal.spec
index 8d7d1fc..c2af995 100644
--- a/python-msal.spec
+++ b/python-msal.spec
@@ -37,27 +37,38 @@ protocols.}
 
 %package -n python3-%{srcname}
 Summary:        %{summary}
-%description -n python3-%{srcname} %{_description}
 
+# setup.cfg: install_requires
+BuildRequires:  (python3dist(requests) >= 2 with python3dist(requests) < 3)
+BuildRequires:  (python3dist(pyjwt) >= 1 with python3dist(pyjwt) < 3)
+# The above dependency is PyJWT[crypto], but EPEL8 does not have extras
+# metapackages; the extra depends on cryptography >= 1.4, which tightents this
+# package’s own dependency on cryptography>=0.6,<44. See:
+# https://github.com/jpadilla/pyjwt/blob/285afade1d14eb810615c5bc751ea2c6a7a3314a/setup.py#L74.
+BuildRequires:  (python3dist(cryptography) >= 1.4 with python3dist(cryptography) < 44)
 
-%pyproject_extras_subpkg -n python3-%{srcname} broker
+# setup.cfg: options.extras_require.broker
+# Not packaged for EPEL8:
+# BuildRequires:  (python3dist(pymsalruntime) >= 0.13.2 with python3dist(pymsalruntime) < 0.14)
 
+%if %{with tests}
+# Not strictly required, but a convenient test runner
+BuildRequires:  python3dist(pytest)
+%endif
 
-%prep
-%forgeautosetup -p1
+%description -n python3-%{srcname} %{_description}
 
 
-%generate_buildrequires
-%pyproject_buildrequires -r
+%prep
+%forgeautosetup -p1
 
 
 %build
-%pyproject_wheel
+%py3_build
 
 
 %install
-%pyproject_install
-%pyproject_save_files msal
+%py3_install
 
 
 %if %{with tests}
@@ -66,9 +77,13 @@ Summary:        %{summary}
 %endif
 
 
-%files -n python3-%{srcname} -f %{pyproject_files}
+%files -n python3-%{srcname}
+%license LICENSE
 %doc README.md
 
+%{python3_sitelib}/%{srcname}/
+%{python3_sitelib}/%{srcname}-%{version}-py%{python3_version}.egg-info/
+
 
 %changelog
 %autochangelog