diff --git a/.gitignore b/.gitignore
index 19777b8..3af2442 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /ouroboros-0.11.1.crate
 /ouroboros-0.12.0.crate
 /ouroboros-0.13.0.crate
+/ouroboros-0.15.0.crate
diff --git a/rust-ouroboros.spec b/rust-ouroboros.spec
index 7745417..837b648 100644
--- a/rust-ouroboros.spec
+++ b/rust-ouroboros.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 18
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate ouroboros
 
 Name:           rust-%{crate}
-Version:        0.13.0
+Version:        0.15.0
 Release:        %autorelease
 Summary:        Easy, safe self-referential struct generation
 
@@ -15,11 +15,8 @@ URL:            https://crates.io/crates/ouroboros
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Easy, safe self-referential struct generation.}
@@ -32,12 +29,12 @@ 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
-# crate does neither include README nor LICENSE file
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+# FIXME: no license files detected
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -45,11 +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
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index b479f33..106ecc0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ouroboros-0.13.0.crate) = 3f5bbf3b9bcb7c8e8f5723ead9d7bc205137973efe7ffe474db707264c4b65e4645d9b9de87e515a1e55831f64d4be719ff7059cf8ed899a71548e3fbfcb0b42
+SHA512 (ouroboros-0.15.0.crate) = 20e1dd42bd5789d3822c7f7d862f69c11695c19475cd943ce049b33184e231dac32d89745cf57a2db822f5f2967ee84b29320f40708612610e336aedb0c08be8