diff --git a/matrix-authentication-service.spec b/matrix-authentication-service.spec
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+Name:    matrix-authentication-service
+Version: 1.12.0
+Release: alt1
+Summary: User management and authentication service for Matrix homeservers
+License: AGPL-3.0
+Group:   System/Base
+URL:     https://github.com/element-hq/matrix-authentication-service
+VCS:     https://github.com/element-hq/matrix-authentication-service
+Source:  %name-%version.tar
+Source1: %name-development-%version.tar
+Source2: config.toml
+
+BuildRequires(pre): rpm-macros-rust
+BuildRequires: rpm-build-rust
+BuildRequires: rust-cargo
+#BuildRequires: liburing-devel
+#BuildRequires: unzip
+BuildRequires: libclang21
+BuildRequires: glibc-devel clang
+BuildRequires: clang
+BuildRequires: gcc-c++
+
+%description
+MAS (Matrix Authentication Service) is a user management and authentication service for Matrix homeservers,
+written and maintained by Element. You can directly run and manage the source code in this repository,
+available under an AGPL license (or alternatively under a commercial license from Element).
+Support is not provided by Element unless you have a subscription.
+
+%prep
+%setup -a1
+cat %SOURCE2 >> .cargo/config.toml
+
+%build
+%rust_build
+
+%install
+install -Dm 755 target/release/%name %buildroot/%_sbindir/%name
+#sed 's/PrivateUsers/##PrivateUsers/' -i rpm/tuwunel.service
+#install -Dm 644 rpm/tuwunel.service %buildroot/%_user_unitdir/%name.service
+
+#mkdir -p %buildroot/var/lib/tuwunel %buildroot/etc/tuwunel
+#cp tuwunel-example.toml %buildroot/etc/tuwunel/tuwunel.toml
+#useradd -r -s /usr/sbin/nologin tuwunel
+#chmod -R tuwunel:tuwunel %buildroot/var/lib/tuwunel %buildroot/etc/tuwunel
+
+%files
+#%_sbindir/%name
+#%_user_unitdir/%name.service
+%doc LICENSE LICENSE-COMMERCIAL README.md
+
+%changelog
+* Sat Mar 7 2026 Arseniy Romenskiy <romenskiy@altlinux.org> 1.12.0-alt1
+- Initial build.