diff --git a/python-prometheus-client.changes b/python-prometheus-client.changes
index e9b9e32..0e6e078 100644
--- a/python-prometheus-client.changes
+++ b/python-prometheus-client.changes
@@ -1,3 +1,55 @@
+-------------------------------------------------------------------
+Fri Oct 18 10:45:08 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 0.21.0:
+  * [CHANGE] Reject invalid (not GET or OPTION) HTTP methods.
+    #1019
+  * [ENHANCEMENT] Allow writing metrics when holding a lock for
+    the metric in the same thread. #1014
+  * [BUGFIX] Check for and error on None label values. #1012
+  * [BUGFIX] Fix timestamp comparison. #1038
+
+-------------------------------------------------------------------
+Tue Mar 19 07:07:45 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 0.20.0:
+  * Update OpenMetrics Content Type to 1.0.0.
+  * Enable graceful shutdown for
+    start_{http,wsgi}_server by returning the server and thread.
+  * Allow resetting counter metrics. #1005
+  * wsgi server: address family discovery is not quite right
+
+-------------------------------------------------------------------
+Fri Jan  5 18:19:47 UTC 2024 - Dirk Müller <dmueller@suse.com>
+
+- update to 0.19.0:
+  * [FEATURE] support HTTPS/TLS in start_http_server. #946
+  * [BUGFIX] fix: error in determining timestamp less than. #979
+- update to 0.18.0:
+  * [CHANGE] Remove support for Python versions < 3.8. #936
+  * [FEATURE] Add `mostrecent` aggregation to Gauge. #967
+  * [ENHANCEMENT] Typing improvements. #935, #970
+  * [ENHANCEMENT] Allow enabling or disabling `_created` metrics
+    from code. #973
+  * [BUGFIX] Change #!/usr/bin/python to #!/usr/bin/env python in
+    remaining places. #945
+- update to 0.17.1:
+  * [BUGFIX] Use #!/usr/bin/env python instead of
+    #!usr/bin/python in bridge/graphite.py. #928
+
+-------------------------------------------------------------------
+Tue May 30 08:12:22 UTC 2023 - Daniel Garcia <daniel.garcia@suse.com>
+
+- add sle15_python_module_pythons (jsc#PED-68)
+
+-------------------------------------------------------------------
+Wed May 24 23:39:52 UTC 2023 - Matej Cepl <mcepl@suse.com>
+
+- Update to 0.17.0:
+  * [ENHANCEMENT] Add additional typing.
+  * [BUGFIX] Fix typo in python_gc_objects_collected metadata.
+  * [BUGFIX] Do not include .pyc files in the build wheel.
+
 -------------------------------------------------------------------
 Tue Jan 24 07:59:49 UTC 2023 - Matej Cepl <mcepl@suse.com>
 
diff --git a/python-prometheus-client.spec b/python-prometheus-client.spec
index ff62ca0..dc23ed8 100644
--- a/python-prometheus-client.spec
+++ b/python-prometheus-client.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-prometheus-client
 #
-# 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
@@ -16,10 +16,9 @@
 #
 
 
-%{?!python_module:%define python_module() python-%{**} python3-%{**}}
-%define skip_python2 1
+%{?sle15_python_module_pythons}
 Name:           python-prometheus-client
-Version:        0.16.0
+Version:        0.21.0
 Release:        0
 Summary:        Python client for the Prometheus monitoring system
 License:        Apache-2.0
@@ -30,8 +29,9 @@ Source:         https://github.com/prometheus/client_python/archive/v%{version}.
 # we disable testing the optional Twisted integration on older versions because that dependency tree is troublesome
 BuildRequires:  %{python_module Twisted}
 %endif
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest}
-BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Recommends:     python-Twisted
@@ -47,13 +47,19 @@ BuildRequires:  python-futures
 The official Python 2 and 3 client for Prometheus.
 
 %prep
-%setup -q -n client_python-%{version}
+%autosetup -p1 -n client_python-%{version}
+
+sed -i -e '1{/\/usr\/bin\/python/d}' \
+    prometheus_client/__init__.py \
+    prometheus_client/bridge/graphite.py \
+    prometheus_client/openmetrics/exposition.py \
+    prometheus_client/openmetrics/parser.py
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
@@ -62,6 +68,7 @@ The official Python 2 and 3 client for Prometheus.
 %files %{python_files}
 %doc README.md
 %license LICENSE
-%{python_sitelib}/*
+%{python_sitelib}/prometheus_client
+%{python_sitelib}/prometheus_client-%{version}*-info
 
 %changelog
diff --git a/v0.16.0.tar.gz b/v0.16.0.tar.gz
deleted file mode 100644
index e864930..0000000
--- a/v0.16.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4541efd404e34d56303ba9539a41ba3b378c1ab309a2866aafc7a3a26b5589ae
-size 82473
diff --git a/v0.21.0.tar.gz b/v0.21.0.tar.gz
new file mode 100644
index 0000000..55dd4db
--- /dev/null
+++ b/v0.21.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:35e39900b4ed06036adb0a6ff938b9b9212d0b807250857d0529be9492c4f059
+size 5564443