diff --git a/perl-JSON.spec b/perl-JSON.spec
index 7e8adfb..1e1c53c 100644
--- a/perl-JSON.spec
+++ b/perl-JSON.spec
@@ -1,12 +1,12 @@
 Name:           perl-JSON
 Summary:        Parse and convert to JSON (JavaScript Object Notation)
-Version:        4.02
-Release:        7%{?dist}
+Version:        4.03
+Release:        1%{?dist}
 License:        GPL+ or Artistic
 
 URL:            https://metacpan.org/release/JSON
-Source0:        https://cpan.metacpan.org/modules/by-module/JSON/JSON-%{version}.tar.gz
-Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
+Source0:        https://cpan.metacpan.org/authors/id/I/IS/ISHIGAKI/JSON-%{version}.tar.gz
+Requires:       perl(:MODULE_COMPAT_%(eval "`/usr/bin/perl -V:version`"; echo $version))
 Requires:       perl(B)
 Requires:       perl(Encode)
 Requires:       perl(Math::BigFloat)
@@ -61,21 +61,20 @@ data structure into each other. For JSON, see http://www.crockford.com/JSON/.
 
 # make rpmlint happy...
 find .  -type f -exec chmod -c -x {} +
-find t/ -type f -exec perl -pi -e 's|^#! perl|#!%{__perl}|' {} +
+find t/ -type f -exec perl -pi -e 's|^#! perl|#!/usr/bin/perl|' {} +
 sed -i 's/\r//' README t/*
 
 %build
-%{__perl} Makefile.PL INSTALLDIRS=vendor
-make %{?_smp_mflags}
+/usr/bin/perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
+%{make_build}
 
 %install
-make pure_install DESTDIR=%{buildroot}
-find %{buildroot} -type f -name .packlist -delete
+%{make_install}
 %{_fixperms} -c %{buildroot}
 
 %check
 unset PERL_JSON_BACKEND PERL_JSON_DEBUG PERL_JSON_PP_USE_B
-make test
+%{make_build} test
 
 %files
 %doc Changes README
@@ -83,6 +82,13 @@ make test
 %{_mandir}/man3/*
 
 %changelog
+* Sun Jan 24 2021 Emmanuel Seyman <emmanuel@seyman.fr> - 4.03-1
+- Update to 4.03
+- Use %%{make_install} instead of "make pure_install"
+- Use %%{make_build} instead of make
+- Replace calls to %%{__perl} with /usr/bin/perl
+- Pass NO_PACKLIST and NO_PERLLOCAL to Makefile.PL
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 4.02-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
 
diff --git a/sources b/sources
index 0e30f8c..013d427 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (JSON-4.02.tar.gz) = 4af44478cd1dac1755768e5211fe86f0086150157393ff2075def7cf6a394fe11e8e35f369f2abc0470373efc8021e941c59ace9a92dfcd50740f924c747d95a
+SHA512 (JSON-4.03.tar.gz) = 5910818d3a866a50ea655da7d9ae617f21d3bc7e8511d35cff96ec4ea04fe553638c7843422cf2d00c37835a6d9f931b1defd224f57c40a3e52d7cef4684ef8c