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diff --git a/upb.spec b/upb.spec
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+%define debug_package %{nil}
+%define src_install_dir /usr/src/%{name}
+
+Name:           upb
+Version:        455cfdb8ae60a1763e6d924e36851c6897a781bb
+Release:        1
+Summary:        A small protobuf implementation in C
+License:        BSD-3-Clause
+URL:            https://github.com/protocolbuffers/%{name}
+Source0:        https://github.com/protocolbuffers/%{name}/archive/%{version}.tar.gz
+
+BuildRequires:  cmake
+BuildRequires:  fdupes
+BuildRequires:  gcc-c++
+BuildRequires:  gtest
+
+%description
+μpb (often written 'upb') is a small protobuf implementation written in C.
+
+upb generates a C API for creating, parsing, and serializing messages as
+declared in .proto files. upb is heavily arena-based: all messages always live
+in an arena (note: the arena can live in stack or static memory if desired).
+
+%package source
+Summary:        Source code of upb
+
+%description source
+μpb (often written 'upb') is a small protobuf implementation written in C.
+
+upb generates a C API for creating, parsing, and serializing messages as
+declared in .proto files. upb is heavily arena-based: all messages always live
+in an arena (note: the arena can live in stack or static memory if desired).
+
+This package provides source code of upb.
+
+%prep
+%autosetup -p1
+
+%build
+
+%install
+mkdir -p %{buildroot}%{src_install_dir}
+cp -r * %{buildroot}%{src_install_dir}
+%fdupes %{buildroot}%{src_install_dir}
+
+%files source
+%{src_install_dir}
+
+%changelog
+* Mon Apr 7 2025 fuanan <fuanan3@h-partners.com> - 455cfdb8ae60a1763e6d924e36851c6897a781bb-1
+- package init
diff --git a/upb.yaml b/upb.yaml
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+version_control: github
+src_repo: protocolbuffers/upb
+tag_prefix: ^v
+separator: .