diff --git a/.gitignore b/.gitignore
index 716490a..4894d82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,4 @@
 /num-traits-0.2.11.crate
 /num-traits-0.2.12.crate
 /num-traits-0.2.14.crate
+/num-traits-0.2.15.crate
diff --git a/rust-num-traits.spec b/rust-num-traits.spec
index 65bb53f..a78ef0e 100644
--- a/rust-num-traits.spec
+++ b/rust-num-traits.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 19
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate num-traits
 
 Name:           rust-%{crate}
-Version:        0.2.14
+Version:        0.2.15
 Release:        %autorelease
 Summary:        Numeric traits for generic mathematics
 
@@ -15,11 +15,8 @@ URL:            https://crates.io/crates/num-traits
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Numeric traits for generic mathematics.}
@@ -33,12 +30,14 @@ BuildArch:      noarch
 %description    devel %{_description}
 
 This package contains library source intended for building other packages which
-use "%{crate}" crate.
+use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-APACHE LICENSE-MIT
-%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}
@@ -47,10 +46,10 @@ 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.
+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}+i128-devel
 Summary:        %{summary}
@@ -59,10 +58,10 @@ BuildArch:      noarch
 %description -n %{name}+i128-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the i128" feature of the "%{crate}" crate.
+use the "i128" feature of the "%{crate}" crate.
 
 %files       -n %{name}+i128-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+libm-devel
 Summary:        %{summary}
@@ -71,10 +70,10 @@ BuildArch:      noarch
 %description -n %{name}+libm-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the libm" feature of the "%{crate}" crate.
+use the "libm" feature of the "%{crate}" crate.
 
 %files       -n %{name}+libm-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+std-devel
 Summary:        %{summary}
@@ -83,10 +82,10 @@ 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.
+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
diff --git a/sources b/sources
index 75d395f..609a2bf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (num-traits-0.2.14.crate) = c3028eca9f7b718de0db3a36cf3e462bdba43562d52c9b809ed4cc0aa6af403aea542d6d4da743cd1dd541397815a3c5a84cef4d6e40122994e4be6a62319b2e
+SHA512 (num-traits-0.2.15.crate) = 5228498af0f15daeac3c9210f3e6e71cfaaeb30beea81dd37f8eb06b9592c8bf3226a47597cd8592ad4c513964a9a40f1ab2c33102ef3dfe3800d22c8d4528e8