diff --git a/_multibuild b/_multibuild
index fcc7b97..d0dc7ba 100644
--- a/_multibuild
+++ b/_multibuild
@@ -1,3 +1,4 @@
 <multibuild>
   <package>test</package>
+  <package>primary</package>
 </multibuild>
diff --git a/python-setuptools.changes b/python-setuptools.changes
index 91d38ea..a2a3902 100644
--- a/python-setuptools.changes
+++ b/python-setuptools.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Jan 15 05:49:12 UTC 2025 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Split out the primary Python build. 
+
 -------------------------------------------------------------------
 Fri Nov 22 08:40:51 UTC 2024 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-setuptools.spec b/python-setuptools.spec
index c05dc37..f2ce07b 100644
--- a/python-setuptools.spec
+++ b/python-setuptools.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-setuptools
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,8 +17,31 @@
 
 
 %global flavor @BUILD_FLAVOR@%{nil}
+%if 0%{?suse_version} >= 1550
+%if "%{flavor}" == "primary"
+# this one is goes into Ring0:  Bootstrap for primary python stack
+%define pprefix %{primary_python}
+%define pythons %{primary_python}
+%define psuffix %{nil}
+%endif
+%if "%{flavor}" == ""
+# The rest is in Ring1
+%define pprefix python
+%{expand:%%define skip_%{primary_python} 1}
+%define psuffix %{nil}
+%endif
+%else
+# backport and option d projects for 15.X having one or more python in the buildset don't need the Ring split for bootstrap
+%if "%{flavor}" == "primary"
+%define python_module() invalid-multibuild-flavor-for-15.X
+ExclusiveArch:  do-not-build
+%else
+%define pprefix python
+%endif
+%endif
 %if "%{flavor}" == "test"
 %define psuffix -test
+%define pprefix python
 %bcond_without test
 %endif
 %if "%{flavor}" == ""
@@ -29,7 +52,7 @@
 # in order to avoid rewriting for subpackage generator
 %define mypython python
 %{?sle15_python_module_pythons}
-Name:           python-setuptools%{psuffix}
+Name:           %{pprefix}-setuptools%{psuffix}
 Version:        75.6.0
 Release:        0
 Summary:        Download, build, install, upgrade, and uninstall Python packages
@@ -69,6 +92,9 @@ BuildRequires:  %{python_module virtualenv >= 13.0.0}
 %if 0%{?suse_version} || 0%{?fedora_version} >= 24
 Recommends:     ca-certificates-mozilla
 %endif
+%if "%{flavor}" == "primary"
+Provides:       %{mypython}3-setuptools = %{version}-%{release}
+%endif
 %python_subpackages
 
 %description