diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dcb7cee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/results_*/
+/*.src.rpm
+
+/arbitrary-0.4.7.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 5ebf9be..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-arbitrary0.4
-
-The rust-arbitrary0.4 package
diff --git a/rust-arbitrary0.4.spec b/rust-arbitrary0.4.spec
new file mode 100644
index 0000000..d70ddb8
--- /dev/null
+++ b/rust-arbitrary0.4.spec
@@ -0,0 +1,99 @@
+# Generated by rust2rpm 17
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate arbitrary
+
+Name:           rust-%{crate}0.4
+Version:        0.4.7
+Release:        1%{?dist}
+Summary:        Trait for generating structured data from unstructured data
+
+# Upstream license specification: MIT/Apache-2.0
+License:        MIT or ASL 2.0
+URL:            https://crates.io/crates/arbitrary
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Trait for generating structured data from unstructured data.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE-MIT LICENSE-APACHE
+%doc README.md CHANGELOG.md
+%{cargo_registry}/%{crate}-%{version_no_tilde}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+derive-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+derive-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "derive" feature of "%{crate}" crate.
+
+%files       -n %{name}+derive-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+derive_arbitrary-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+derive_arbitrary-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "derive_arbitrary" feature of "%{crate}" crate.
+
+%files       -n %{name}+derive_arbitrary-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Wed Apr 21 2021 Fabio Valentini <decathorpe@gmail.com> - 0.4.7-1
+- Initial compat package for arbitrary 0.4.
diff --git a/sources b/sources
new file mode 100644
index 0000000..32344fe
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (arbitrary-0.4.7.crate) = 17968466d1403903a8cb5ec7f8af403e2ecbbbd8beed3df41035c34af1c19bc9d57596e1751f3aaf4c6021fe8fc7e23a7f0c1bbd1a5942d94f9dcafd0b19c1a6