diff --git a/graphviz-0.20.1.zip b/graphviz-0.20.1.zip
deleted file mode 100644
index c5c2101..0000000
--- a/graphviz-0.20.1.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8c58f14adaa3b947daf26c19bc1e98c4e0702cdc31cf99153e6f06904d492bf8
-size 255182
diff --git a/graphviz-0.20.3.zip b/graphviz-0.20.3.zip
new file mode 100644
index 0000000..0a60531
--- /dev/null
+++ b/graphviz-0.20.3.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09d6bc81e6a9fa392e7ba52135a9d49f1ed62526f96499325930e87ca1b5925d
+size 256455
diff --git a/python-graphviz.changes b/python-graphviz.changes
index 86489d7..bc7de99 100644
--- a/python-graphviz.changes
+++ b/python-graphviz.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Fri May 17 02:48:32 UTC 2024 - Steve Kowalik <steven.kowalik@suse.com>
+
+- Update to 0.20.3:
+  * Drop Python 3.7 support (end of life 27 Jun 2023).
+  * Tag Python 3.11 and 3.12 support.
+  * Add caveat about labe escaping/quoting to .node() and .render() API docs.
+  * Document that doctest_skip_exe() lines in doctest should be ignored.
+- Drop patch python312-syntax-warning.patch, no longer required.
+- Ignore conftest files during collection, due to pytest issue.
+- Switch pyproject macros.
+
 -------------------------------------------------------------------
 Wed Dec  6 22:22:48 UTC 2023 - Dirk Müller <dmueller@suse.com>
 
diff --git a/python-graphviz.spec b/python-graphviz.spec
index 0aad545..686ec4b 100644
--- a/python-graphviz.spec
+++ b/python-graphviz.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-graphviz
 #
-# 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
@@ -18,18 +18,18 @@
 
 %{?sle15_python_module_pythons}
 Name:           python-graphviz
-Version:        0.20.1
+Version:        0.20.3
 Release:        0
 Summary:        Python interface for Graphviz
 License:        MIT
-Group:          Development/Languages/Python
 URL:            https://github.com/xflr6/graphviz
 Source:         https://files.pythonhosted.org/packages/source/g/graphviz/graphviz-%{version}.zip
-Patch1:         python312-syntax-warning.patch
-BuildRequires:  %{python_module base >= 3.7}
+BuildRequires:  %{python_module base >= 3.8}
+BuildRequires:  %{python_module pip}
 BuildRequires:  %{python_module pytest >= 6}
 BuildRequires:  %{python_module pytest-mock >= 3}
 BuildRequires:  %{python_module setuptools}
+BuildRequires:  %{python_module wheel}
 BuildRequires:  dos2unix
 BuildRequires:  fdupes
 BuildRequires:  graphviz
@@ -65,19 +65,20 @@ sed -i '/^mock_use_standalone_module/d' setup.cfg
 dos2unix LICENSE.txt README.rst docs/*.rst
 
 %build
-%python_build
+%pyproject_wheel
 
 %install
-%python_install
+%pyproject_install
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
-%pytest
+# https://github.com/pytest-dev/pytest/issues/12123
+%pytest --ignore tests/conftest.py --ignore tests/backend/conftest.py
 
 %files %{python_files}
 %license LICENSE.txt
 %doc README.rst
 %{python_sitelib}/graphviz
-%{python_sitelib}/graphviz-%{version}*-info
+%{python_sitelib}/graphviz-%{version}.dist-info
 
 %changelog
diff --git a/python312-syntax-warning.patch b/python312-syntax-warning.patch
deleted file mode 100644
index efc1d4c..0000000
--- a/python312-syntax-warning.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-From 5ce9fc5de4f2284baa27d7a8d68ab0885d032868 Mon Sep 17 00:00:00 2001
-From: Sebastian Bank <sebastian.bank@uni-leipzig.de>
-Date: Tue, 24 Oct 2023 20:39:52 +0200
-Subject: [PATCH] expect SyntaxWarning in test_deprecated_escape() under Python
- 3.12
-
-https://docs.python.org/3.12/whatsnew/3.12.html#other-language-changes
----
- tests/test_quoting.py | 4 +++-
- 1 file changed, 3 insertions(+), 1 deletion(-)
-
-Index: graphviz-0.20.1/tests/test_quoting.py
-===================================================================
---- graphviz-0.20.1.orig/tests/test_quoting.py
-+++ graphviz-0.20.1/tests/test_quoting.py
-@@ -1,3 +1,4 @@
-+import sys
- import warnings
- 
- import pytest
-@@ -14,7 +15,8 @@ def test_deprecated_escape(recwarn, char
-     escape = eval(rf'"\{char}"')
- 
-     assert len(recwarn) == 1
--    w = recwarn.pop(DeprecationWarning)
-+    w = recwarn.pop(DeprecationWarning if sys.version_info < (3, 12)
-+                    else SyntaxWarning)
-     assert str(w.message).startswith('invalid escape sequence')
- 
-     assert escape == f'\\{char}'