diff --git a/python-testflo.changes b/python-testflo.changes
index 2024025..edde165 100644
--- a/python-testflo.changes
+++ b/python-testflo.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Dec 29 09:44:57 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- update to 1.4.15:
+  * handle python 3.12.1 change to skip behavior
+
 -------------------------------------------------------------------
 Wed Dec 13 10:34:49 UTC 2023 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-testflo.spec b/python-testflo.spec
index ef76210..b61861a 100644
--- a/python-testflo.spec
+++ b/python-testflo.spec
@@ -16,16 +16,17 @@
 #
 
 
-%define skip_python36 1
+%{?sle15_python_module_pythons}
 Name:           python-testflo
-Version:        1.4.14
+Version:        1.4.15
 Release:        0
 Summary:        A flow-based testing framework
 License:        Apache-2.0
 Group:          Development/Languages/Python
 URL:            https://github.com/OpenMDAO/testflo
 Source:         https://files.pythonhosted.org/packages/source/t/testflo/testflo-%{version}.tar.gz
-BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module pip}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-setuptools
@@ -53,10 +54,10 @@ using unittest.TestCase objects that they are familiar with.
 %setup -q -n testflo-%{version}
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 %python_clone -a %{buildroot}%{_bindir}/testflo
 
@@ -75,6 +76,6 @@ using unittest.TestCase objects that they are familiar with.
 %doc README.md
 %python_alternative %{_bindir}/testflo
 %{python_sitelib}/testflo
-%{python_sitelib}/testflo-*.egg-info
+%{python_sitelib}/testflo-%{version}.dist-info
 
 %changelog
diff --git a/testflo-1.4.14.tar.gz b/testflo-1.4.14.tar.gz
deleted file mode 100644
index 2ac8fc4..0000000
--- a/testflo-1.4.14.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:904a13ab1266ef0dba8e614dced7065484306badc44f6ef2f8a814d2599f33e7
-size 28736
diff --git a/testflo-1.4.15.tar.gz b/testflo-1.4.15.tar.gz
new file mode 100644
index 0000000..b77e8a6
--- /dev/null
+++ b/testflo-1.4.15.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:056dc3a18d5e31a578e01036ebccac6295262e24d9bb1df9192eced01399368e
+size 28821