diff --git a/marshmallow-3.20.2.tar.gz b/marshmallow-3.20.2.tar.gz
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diff --git a/marshmallow-3.21.3.tar.gz b/marshmallow-3.21.3.tar.gz
new file mode 100644
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diff --git a/python-marshmallow.spec b/python-marshmallow.spec
index 020c353daf5b815bdeae89816e3a6fe34e607b28..fcf5134e8507ae0d79fdcb956124c61d497b7bfc 100644
--- a/python-marshmallow.spec
+++ b/python-marshmallow.spec
@@ -1,13 +1,16 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-marshmallow
-Version:	3.20.2
+Version:	3.21.3
 Release:	1
 Summary:	A lightweight library for converting complex datatypes to and from native Python datatypes.
 License:	MIT
 URL:		https://github.com/marshmallow-code/marshmallow
-Source0:	https://files.pythonhosted.org/packages/03/81/763717b3448e5d3a3906f27ab2ffedc9a495e8077946f54b8033967d29fd/marshmallow-3.20.2.tar.gz
+Source0:	%{pypi_source marshmallow}
 BuildArch:	noarch
 
+BuildRequires:  python3-flit-core
+BuildRequires:  python3-pip
+
 Requires:	python3-pytest
 Requires:	python3-pytz
 Requires:	python3-simplejson
@@ -45,10 +48,10 @@ marshmallow is an ORM/ ODM/ framework-agnostic library for converting complex da
 %autosetup -n marshmallow-%{version}
 
 %build
-%py3_build
+%pyproject_build
 
 %install
-%py3_install
+%pyproject_install
 install -d -m755 %{buildroot}/%{_pkgdocdir}
 if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
 if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
@@ -77,11 +80,15 @@ mv %{buildroot}/doclist.lst .
 
 %files -n python3-marshmallow -f filelist.lst
 %dir %{python3_sitelib}/*
+%{python3_sitelib}/marshmallow/__pycache__/*
 
 %files help -f doclist.lst
 %{_docdir}/*
 
 %changelog
+* Fri Aug 09 2024 Ge Wang <wang__ge@126.com> - 3.21.3-1
+- Update to version 3.21.3
+
 * Thu Jan 11 2024 Paul Thomas <paulthomas100199@gmail.com> - 3.20.2-1
 - update to version 3.20.2