diff --git a/.gitignore b/.gitignore
index da45d8b..9108950 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /http-body-0.4.2.crate
 /http-body-0.4.3.crate
 /http-body-0.4.4.crate
+/http-body-0.4.5.crate
diff --git a/rust-http-body.spec b/rust-http-body.spec
index 424ed00..5de39b8 100644
--- a/rust-http-body.spec
+++ b/rust-http-body.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 18
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate http-body
 
 Name:           rust-%{crate}
-Version:        0.4.4
+Version:        0.4.5
 Release:        %autorelease
 Summary:        Trait representing an asynchronous, streaming, HTTP request or response body
 
@@ -15,11 +15,8 @@ URL:            https://crates.io/crates/http-body
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Trait representing an asynchronous, streaming, HTTP request or response body.}
@@ -32,13 +29,14 @@ 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
-%doc README.md CHANGELOG.md
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/CHANGELOG.md
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -46,11 +44,11 @@ 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 57c0da7..75d3e93 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (http-body-0.4.4.crate) = cbfa91e31e91807f004df77a9d8999b1224f862d4765ba92ad4d34d288fcab67372734295f30760a96eb32454d78fc527c6519eb45b484e341617686e743381c
+SHA512 (http-body-0.4.5.crate) = d01de0747155283331086f2849d1dccc0387feda576f60d84cdd1bc8817ac82ae131c294b5cf9ddabb7ac91bfdef67bc2ea5fcbbb04f41b473d4c5f5b2ac13d5