diff --git a/graphviz-0.20.3.zip b/graphviz-0.20.3.zip
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diff --git a/graphviz-0.21.tar.gz b/graphviz-0.21.tar.gz
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diff --git a/python-graphviz.spec b/python-graphviz.spec
index 1c29f75bf2c16f0a9b8debbc23b7b12fbac94581..4a57c6af6cce57a61c7be5fd86ceeeab8fbf1142 100644
--- a/python-graphviz.spec
+++ b/python-graphviz.spec
@@ -1,10 +1,10 @@
 Name:		python-graphviz
-Version:	0.20.3
-Release:	2
+Version:	0.21
+Release:	1
 Summary:	Simple Python interface for Graphviz
 License:	MIT
 URL:		https://github.com/xflr6/graphviz
-Source0:        https://files.pythonhosted.org/packages/source/g/graphviz/graphviz-%{version}.zip
+Source0:	https://files.pythonhosted.org/packages/source/g/graphviz/graphviz-%{version}.tar.gz
 BuildArch:	noarch
 %description
 This package makes it easier to create and render a graph description in 
@@ -19,6 +19,7 @@ BuildRequires:	python3-setuptools
 BuildRequires:  python3-pytest
 BuildRequires:  python3-pytest-mock
 BuildRequires:  python3-pytest-cov
+BuildRequires:  python3-pip
 Requires:	python3-tox
 Requires:	python3-flake8
 Requires:	python3-wheel
@@ -45,10 +46,10 @@ the DOT language which from the Python Graphviz graph drawing software.
 %autosetup -n graphviz-%{version} -p1
 
 %build
-%py3_build
+%pyproject_build
 
 %install
-%py3_install
+%pyproject_install
 
 %check
 cat tests/backend/conftest.py >> tests/conftest.py
@@ -70,6 +71,12 @@ PYTHONPATH="${PYTHONPATH:-%{buildroot}%{python3_sitearch}:%{buildroot}%{python3_
 %doc docs examples
 
 %changelog
+* Mon Aug 18 2025 zhang_wenyu <zhang_wenyu@hoperun.com> - 0.21-1
+- Update to 0.21:
+  * Drop Python 3.8 support (end of life 7 Oct 2024).
+  * Tag Python 3.13 support.
+  * Add support for format='svg_inline', available since upstream Graphviz 10.0.1.
+
 * Sun Jul 13 2025 Funda Wang <fundawang@yeah.net> - 0.20.3-2
 - fix test usage