diff --git a/.gitignore b/.gitignore
index b2940ed..fa2031c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /arg_enum_proc_macro-0.1.1.crate
+/arg_enum_proc_macro-0.3.0.crate
diff --git a/rust-arg_enum_proc_macro.spec b/rust-arg_enum_proc_macro.spec
index c3bb35c..128d8be 100644
--- a/rust-arg_enum_proc_macro.spec
+++ b/rust-arg_enum_proc_macro.spec
@@ -1,28 +1,28 @@
-# Generated by rust2rpm
-%bcond_with check
+# Generated by rust2rpm 10
+%bcond_without check
 %global debug_package %{nil}
 
 %global crate arg_enum_proc_macro
 
 Name:           rust-%{crate}
-Version:        0.1.1
-Release:        3%{?dist}
+Version:        0.3.0
+Release:        1%{?dist}
 Summary:        Procedural macro compatible with clap arg_enum
 
+# Upstream license specification: MIT
 License:        MIT
 URL:            https://crates.io/crates/arg_enum_proc_macro
 Source:         %{crates_source}
 
 ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
 
 BuildRequires:  rust-packaging
-BuildRequires:  (crate(proc-macro2/default) >= 0.4.0 with crate(proc-macro2/default) < 0.5.0)
-BuildRequires:  (crate(quote/default) >= 0.6.0 with crate(quote/default) < 0.7.0)
-BuildRequires:  (crate(syn/default) >= 0.15.0 with crate(syn/default) < 0.16.0)
-BuildRequires:  (crate(syn/extra-traits) >= 0.15.0 with crate(syn/extra-traits) < 0.16.0)
 
-%global _description \
-A procedural macro compatible with clap arg_enum.
+%global _description %{expand:
+Procedural macro compatible with clap arg_enum.}
 
 %description %{_description}
 
@@ -56,6 +56,9 @@ which use "default" feature of "%{crate}" crate.
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
 
+%generate_buildrequires
+%cargo_generate_buildrequires
+
 %build
 %cargo_build
 
@@ -68,6 +71,9 @@ which use "default" feature of "%{crate}" crate.
 %endif
 
 %changelog
+* Sun Sep 15 21:03:48 CEST 2019 Robert-André Mauchin <zebob.m@gmail.com> - 0.3.0-1
+- Release 0.3.0
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.1.1-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
 
diff --git a/sources b/sources
index df95d26..d71abc7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (arg_enum_proc_macro-0.1.1.crate) = c1d3ec4e9e8eb4b34bac5424cfd23ae4ab225eb3bc024078f1d58c240cb72629e483cfc7da0b4b459a8663d38dade1669e649a8536ab45396fbbc67769de22a7
+SHA512 (arg_enum_proc_macro-0.3.0.crate) = fe575c5e70c132051d7900885f4aa8c0568efeb383e4f305bb62d69f70f21f1dee9d36e6715d482c594fdbc0e9bfdb445ae55e619d4ab44815b044abad4066da