diff --git a/lab-fix-metadata.diff b/lab-fix-metadata.diff
index 3f50c25..4cc60c7 100644
--- a/lab-fix-metadata.diff
+++ b/lab-fix-metadata.diff
@@ -1,11 +1,13 @@
---- lab-0.8.1/Cargo.toml	2020-08-14T06:54:54+00:00
-+++ lab-0.8.1/Cargo.toml	2021-06-28T13:40:03.499389+00:00
-@@ -35,7 +35,7 @@
- name = "lab_to_rgb"
- harness = false
+--- lab-0.11.0/Cargo.toml	1970-01-01T00:00:00+00:00
++++ lab-0.11.0/Cargo.toml	2022-11-04T18:04:33.427714+00:00
+@@ -37,10 +37,6 @@
  [dev-dependencies.approx]
+ version = "0.5"
+ 
+-[dev-dependencies.criterion]
 -version = "0.3"
-+version = "0.5"
+-default-features = false
+-
+ [dev-dependencies.lazy_static]
+ version = "1.3.0"
  
- [dev-dependencies.criterion]
- version = "0.3"
diff --git a/rust-lab.spec b/rust-lab.spec
index e924e75..a800aef 100644
--- a/rust-lab.spec
+++ b/rust-lab.spec
@@ -1,25 +1,22 @@
-# Generated by rust2rpm 18
+# Generated by rust2rpm 23
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate lab
 
-Name:           rust-%{crate}
+Name:           rust-lab
 Version:        0.11.0
 Release:        %autorelease
 Summary:        Tools for converting RGB colors to the CIE-L*a*b* color space
 
-# Upstream license specification: MIT
 License:        MIT
 URL:            https://crates.io/crates/lab
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * drop unused, benchmark-only criterion dev-dependency to speed up builds
+Patch:          lab-fix-metadata.diff
 
-ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
-
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Tools for converting RGB colors to the CIE-L*a*b* color space, and comparing
@@ -33,13 +30,13 @@ 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
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE
+%doc %{crate_instdir}/README.md
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -47,11 +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