diff --git a/perl-Hash-Merge.spec b/perl-Hash-Merge.spec
index c6ec1e1..e7d87a9 100644
--- a/perl-Hash-Merge.spec
+++ b/perl-Hash-Merge.spec
@@ -1,12 +1,13 @@
 Name:           perl-Hash-Merge
 Version:        0.300
-Release:        7%{?dist}
+Release:        8%{?dist}
 Summary:        Merges arbitrary deep hashes into a single hash
 License:        GPL+ or Artistic
 URL:            https://metacpan.org/release/Hash-Merge
-Source0:        https://cpan.metacpan.org/authors/id/R/RE/REHSACK/Hash-Merge-%{version}.tar.gz
+Source0:        https://cpan.metacpan.org/modules/by-module/Hash/Hash-Merge-%{version}.tar.gz
 BuildArch:      noarch
-
+# Build
+BuildRequires:  coreutils
 BuildRequires:  make
 BuildRequires:  perl-generators
 BuildRequires:  perl-interpreter
@@ -27,11 +28,10 @@ BuildRequires:  perl(Test::More)
 # Optional tests
 BuildRequires:  perl(Clone::PP)
 BuildRequires:  perl(Storable)
-Requires:  perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
+# Dependencies
+Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
 # required but not detected automatically
-Requires:  perl(Clone)
-
-%{?perl_default_filter}
+Requires:       perl(Clone)
 
 %description
 %{summary}.
@@ -40,13 +40,12 @@ Requires:  perl(Clone)
 %setup -q -n Hash-Merge-%{version}
 
 %build
-%{__perl} Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1
-make %{?_smp_mflags}
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1 NO_PERLLOCAL=1
+%{make_build}
 
 %install
-make pure_install DESTDIR=%{buildroot}
-chmod -x %{buildroot}%{perl_vendorlib}/Hash/Merge.pm
-%{_fixperms} %{buildroot}/*
+%{make_install}
+%{_fixperms} -c %{buildroot}
 
 %check
 make test
@@ -54,10 +53,17 @@ make test
 %files
 %doc Changes README.md
 %{perl_vendorlib}/Hash/
-%{_mandir}/man3/*.3*
-
+%{_mandir}/man3/Hash::Merge.3*
 
 %changelog
+* Fri Oct 25 2019 Paul Howarth <paul@city-fan.org> - 0.300-8
+- Spec tidy-up
+  - Use author-independent source URL
+  - Drop redundant use of %%{?perl_default_filter}
+  - Use %%{make_build} and %%{make_install}
+  - Fix permissions verbosely
+  - Make %%files list more explicit
+
 * Fri Jul 26 2019 Fedora Release Engineering <releng@fedoraproject.org> - 0.300-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild