diff --git a/README.md b/README.md
deleted file mode 100644
index 174f3e9..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-num-bigint
-
-The rust-num-bigint package
\ No newline at end of file
diff --git a/rust-num-bigint.spec b/rust-num-bigint.spec
index 8b1711c..452ac70 100644
--- a/rust-num-bigint.spec
+++ b/rust-num-bigint.spec
@@ -1,25 +1,19 @@
-# Generated by rust2rpm 18
+# Generated by rust2rpm 24
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate num-bigint
 
-Name:           rust-%{crate}
+Name:           rust-num-bigint
 Version:        0.4.3
 Release:        %autorelease
 Summary:        Big integer implementation for Rust
 
-# Upstream license specification: MIT OR Apache-2.0
-License:        MIT or ASL 2.0
+License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/num-bigint
 Source:         %{crates_source}
 
-ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
-
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Big integer implementation for Rust.}
@@ -32,13 +26,15 @@ BuildArch:      noarch
 
 %description    devel %{_description}
 
-This package contains library source intended for building other packages
-which use "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-MIT LICENSE-APACHE
-%doc README.md RELEASES.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%doc %{crate_instdir}/README.md
+%doc %{crate_instdir}/RELEASES.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -46,11 +42,11 @@ 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.
+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 %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+arbitrary-devel
 Summary:        %{summary}
@@ -58,11 +54,11 @@ BuildArch:      noarch
 
 %description -n %{name}+arbitrary-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "arbitrary" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "arbitrary" feature of the "%{crate}" crate.
 
 %files       -n %{name}+arbitrary-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+quickcheck-devel
 Summary:        %{summary}
@@ -70,11 +66,11 @@ BuildArch:      noarch
 
 %description -n %{name}+quickcheck-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "quickcheck" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "quickcheck" feature of the "%{crate}" crate.
 
 %files       -n %{name}+quickcheck-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+rand-devel
 Summary:        %{summary}
@@ -82,11 +78,11 @@ BuildArch:      noarch
 
 %description -n %{name}+rand-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "rand" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "rand" feature of the "%{crate}" crate.
 
 %files       -n %{name}+rand-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+serde-devel
 Summary:        %{summary}
@@ -94,11 +90,11 @@ BuildArch:      noarch
 
 %description -n %{name}+serde-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "serde" feature of "%{crate}" crate.
+This package contains library source intended for building other packages which
+use the "serde" feature of the "%{crate}" crate.
 
 %files       -n %{name}+serde-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -106,11 +102,11 @@ BuildArch:      noarch
 
 %description -n %{name}+std-devel %{_description}
 
-This package contains library source intended for building other packages
-which use "std" feature of "%{crate}" crate.
+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 %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1