diff --git a/.gitignore b/.gitignore
index 7aa67bc..1b7e1b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /imagequant-sys-4.0.1.crate
+/imagequant-sys-4.0.3.crate
diff --git a/rust-imagequant-sys.spec b/rust-imagequant-sys.spec
index 685147f..b8aa389 100644
--- a/rust-imagequant-sys.spec
+++ b/rust-imagequant-sys.spec
@@ -1,4 +1,4 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 25
 %bcond_without check
 
 # C library name
@@ -6,14 +6,15 @@
 %global crate   imagequant-sys
 
 Name:           rust-imagequant-sys
-Version:        4.0.1
+Version:        4.0.3
 Release:        %autorelease
 Summary:        Convert 24/32-bit images to 8-bit palette with alpha channel
 
 License:        GPL-3.0-or-later
 URL:            https://crates.io/crates/imagequant-sys
 Source:         %{crates_source}
-BuildRequires:  rust-packaging >= 23
+
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Convert 24/32-bit images to 8-bit palette with alpha channel. C API/FFI
@@ -111,7 +112,7 @@ developing applications that use %{lib}.
 %{_libdir}/pkgconfig/imagequant.pc
 
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
 
 %generate_buildrequires
@@ -121,23 +122,13 @@ echo "cargo-c"
 
 %build
 %cargo_build
-%__cargo cbuild --release \
-    --destdir=%{buildroot} \
-    --prefix=%{_prefix} \
-    --libdir=%{_libdir} \
-    --includedir=%{_includedir} \
-    --pkgconfigdir=%{_libdir}/pkgconfig
+%cargo_cbuild
+%{cargo_license_summary}
 %{cargo_license} > LICENSE.dependencies
 
 %install
 %cargo_install
-%__cargo cinstall --release \
-    --destdir=%{buildroot} \
-    --prefix=%{_prefix} \
-    --libdir=%{_libdir} \
-    --includedir=%{_includedir} \
-    --pkgconfigdir=%{_libdir}/pkgconfig
-
+%cargo_cinstall
 # Don't ship static library
 rm -f %{buildroot}%{_libdir}/%{lib}.a
 
diff --git a/sources b/sources
index 0d5779c..6c411bf 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (imagequant-sys-4.0.1.crate) = fe26e72cae98c8adc1bcf460871556c79b76620034b126cb388a081acd8b15e37137a971b3f3d8b9d2f94d9ab241749797b944e112d5cd09e8a8537458245908
+SHA512 (imagequant-sys-4.0.3.crate) = 18cea88f5ee390eb33e7c6e437065c4c3bfc86cac83925613915cc49e9fd5b08f797cfa8cba6376d1370673a366dcd882479a1b3a9cf5c6b470845bf83d82df4