diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cf33c27
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/ff-0.13.0.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 814e7e9..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-ff
-
-The rust-ff package
diff --git a/ff-fix-metadata.diff b/ff-fix-metadata.diff
new file mode 100644
index 0000000..19deb45
--- /dev/null
+++ b/ff-fix-metadata.diff
@@ -0,0 +1,34 @@
+--- ff-0.13.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ ff-0.13.0/Cargo.toml	2023-05-30T13:41:50.905818+00:00
+@@ -25,22 +25,10 @@
+ all-features = true
+ rustdoc-args = ["--cfg", "docsrs"]
+ 
+-[[test]]
+-name = "derive"
+-required-features = ["derive"]
+ [dependencies.bitvec]
+ version = "1"
+ optional = true
+ default-features = false
+-
+-[dependencies.byteorder]
+-version = "1"
+-optional = true
+-default-features = false
+-
+-[dependencies.ff_derive]
+-version = "0.13"
+-optional = true
+ 
+ [dependencies.rand_core]
+ version = "0.6"
+@@ -60,8 +48,6 @@
+ alloc = []
+ bits = ["bitvec"]
+ default = ["bits", "std"]
+-derive = ["byteorder", "ff_derive"]
+-derive_bits = ["bits", "ff_derive/bits"]
+ std = ["alloc"]
+ [badges.maintenance]
+ status = "actively-developed"
diff --git a/rust-ff.spec b/rust-ff.spec
new file mode 100644
index 0000000..5435ce3
--- /dev/null
+++ b/rust-ff.spec
@@ -0,0 +1,123 @@
+# Generated by rust2rpm 24
+# * missing dev-dependency: blake2b_simd ^1
+%bcond_with check
+%global debug_package %{nil}
+
+%global crate ff
+
+Name:           rust-ff
+Version:        0.13.0
+Release:        %autorelease
+Summary:        Library for building and interfacing with finite fields
+
+# Upstream license specification: MIT/Apache-2.0
+License:        MIT OR Apache-2.0
+URL:            https://crates.io/crates/ff
+Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * drop unused derive features with missing dependencies
+Patch:          ff-fix-metadata.diff
+
+BuildRequires:  rust-packaging >= 21
+
+%global _description %{expand:
+Library for building and interfacing with finite fields.}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
+
+%files          devel
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/CHANGELOG.md
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
+
+%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 the "default" feature of the "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+alloc-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+alloc-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "alloc" feature of the "%{crate}" crate.
+
+%files       -n %{name}+alloc-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bits-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+bits-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bits" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bits-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+bitvec-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+bitvec-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "bitvec" feature of the "%{crate}" crate.
+
+%files       -n %{name}+bitvec-devel
+%ghost %{crate_instdir}/Cargo.toml
+
+%package     -n %{name}+std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+std-devel %{_description}
+
+This package contains library source intended for building other packages which
+use the "std" feature of the "%{crate}" crate.
+
+%files       -n %{name}+std-devel
+%ghost %{crate_instdir}/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
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..ec5d1ea
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (ff-0.13.0.crate) = eab19938f5a2cddb0fcc78b0724efd788aab7f17f04c482e0d06acac4d1cef2bcbfc74d6e4b2d9f535f9c955bf39c2153e010bdd2fa72d6d637d44baf8bf5f63