diff --git a/python-pycomposefile.changes b/python-pycomposefile.changes
index 47259ba..5fadb9c 100644
--- a/python-pycomposefile.changes
+++ b/python-pycomposefile.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Mar  6 14:58:59 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
+
+- Switch package to modern Python Stack on SLE-15
+  + Add %{?sle15_python_module_pythons}
+
 -------------------------------------------------------------------
 Wed Oct  4 13:22:09 UTC 2023 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 
diff --git a/python-pycomposefile.spec b/python-pycomposefile.spec
index e3268a9..a51afd3 100644
--- a/python-pycomposefile.spec
+++ b/python-pycomposefile.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-pycomposefile
 #
-# Copyright (c) 2023 SUSE LLC
+# Copyright (c) 2024 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,6 +16,7 @@
 #
 
 
+%{?sle15_python_module_pythons}
 Name:           python-pycomposefile
 Version:        0.0.30
 Release:        0
@@ -26,10 +27,10 @@ Source:         https://files.pythonhosted.org/packages/source/p/pycomposefile/p
 # PATCH-FIX-UPSTREAM p_fix-version-number.patch
 # https://github.com/smurawski/pycomposefile/issues/29
 Patch:          p_fix-version-number.patch
-BuildRequires:  python-rpm-macros
 BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
+BuildRequires:  python-rpm-macros
 # SECTION test requirements
 BuildRequires:  %{python_module PyYAML}
 # /SECTION