diff --git a/.gitignore b/.gitignore
index 5c8589c..2a3f99f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-Digest-CRC-0.14.tar.gz
+/Digest-CRC-0.14.tar.gz
 /Digest-CRC-0.16.tar.gz
 /Digest-CRC-0.17.tar.gz
 /Digest-CRC-0.18.tar.gz
@@ -6,3 +6,4 @@ Digest-CRC-0.14.tar.gz
 /Digest-CRC-0.21.tar.gz
 /Digest-CRC-0.22.1.tar.gz
 /Digest-CRC-0.22.2.tar.gz
+/Digest-CRC-0.23.tar.gz
diff --git a/perl-Digest-CRC.spec b/perl-Digest-CRC.spec
index e9f1817..a9be5fd 100644
--- a/perl-Digest-CRC.spec
+++ b/perl-Digest-CRC.spec
@@ -1,18 +1,18 @@
 Name:           perl-Digest-CRC
-Version:        0.22.2
-Release:        14%{?dist}
+Version:        0.23
+Release:        1%{?dist}
 Summary:        Generic CRC functions
 License:        Public Domain
 URL:            https://metacpan.org/release/Digest-CRC
-Source0:        https://cpan.metacpan.org/authors/id/O/OL/OLIMAUL/Digest-CRC-%{version}.tar.gz
+Source0:        https://cpan.metacpan.org/modules/by-module/Digest/Digest-CRC-%{version}.tar.gz
 # Build
 BuildRequires:  coreutils
 BuildRequires:  findutils
 BuildRequires:  gcc
 BuildRequires:  make
-BuildRequires:  perl-interpreter
 BuildRequires:  perl-devel
 BuildRequires:  perl-generators
+BuildRequires:  perl-interpreter
 BuildRequires:  perl(Config)
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.76
 # Runtime
@@ -30,18 +30,19 @@ Requires:       perl(Symbol)
 
 %description
 The Digest::CRC module calculates CRC sums of all sorts. It contains wrapper
-functions with the correct parameters for CRC-CCITT, CRC-16 and CRC-32.
+functions with the correct parameters for CRC-SAE-J1850, CRC-CCITT, CRC-16 and
+CRC-32.
 
 %prep
-%setup -qn Digest-CRC-0.22
+%setup -qn Digest-CRC-%{version}
 
 %build
 perl Makefile.PL INSTALLDIRS=vendor OPTIMIZE="%{optflags}" \
   NO_PACKLIST=1 NO_PERLLOCAL=1
-make %{?_smp_mflags}
+%{make_build}
 
 %install
-make install DESTDIR=%{buildroot}
+%{make_install}
 find %{buildroot} -type f -name '*.bs' -empty -delete
 %{_fixperms} -c %{buildroot}
 
@@ -55,6 +56,12 @@ make test TEST_VERBOSE=1
 %{_mandir}/man3/Digest::CRC.3*
 
 %changelog
+* Thu Apr 15 2021 Paul Howarth <paul@city-fan.org> - 0.23-1
+- Updated to 0.23
+  - Added wrapper for CRC-SAE-J1850
+- Use author-independent source URL
+- Use %%{make_build} and %%{make_install}
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.22.2-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
 
diff --git a/sources b/sources
index 47b403e..16a9cdb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Digest-CRC-0.22.2.tar.gz) = 983dfb3a39ca054819906bd67251f0e275a55d4ab1873146a8bbe36dee3d979e67a36f3fc53ce18608873a1c68ba30d6de8c59b58ae57a7e36e6816551752875
+SHA512 (Digest-CRC-0.23.tar.gz) = b92e40bf717882b0e694c6552a88f13ac92a569e4484eedfdfc57b7fe867e29a81e228d00c29e9e4ba120cb9e0ca4d10db12cad5af185893ebcd89b1be87d2c1