diff --git a/perl-DBIx-Class-DynamicDefault.spec b/perl-DBIx-Class-DynamicDefault.spec
index b8bb898..acb5b3a 100644
--- a/perl-DBIx-Class-DynamicDefault.spec
+++ b/perl-DBIx-Class-DynamicDefault.spec
@@ -3,40 +3,41 @@ Version:    0.04
 Release:    15%{?dist}
 # lib/DBIx/Class/DynamicDefault.pm -> GPL+ or Artistic
 License:    GPL+ or Artistic 
-Group:      Development/Libraries
 Summary:    Automatically set and update fields 
-Source:     http://search.cpan.org/CPAN/authors/id/M/MS/MSTROUT/DBIx-Class-DynamicDefault-%{version}.tar.gz
 Url:        http://search.cpan.org/dist/DBIx-Class-DynamicDefault
-Requires:   perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
+Source:     http://search.cpan.org/CPAN/authors/id/M/MS/MSTROUT/DBIx-Class-DynamicDefault-%{version}.tar.gz
 BuildArch:  noarch
-
-BuildRequires: findutils
-BuildRequires: make
-BuildRequires: perl
-BuildRequires: perl-generators
-BuildRequires: perl(base)
-BuildRequires: perl(DBICx::TestDatabase)
-BuildRequires: perl(DBIx::Class) >= 0.08127
-BuildRequires: perl(DBIx::Class::Schema)
-BuildRequires: perl(FindBin)
-BuildRequires: perl(inc::Module::Install)
-BuildRequires: perl(lib)
-BuildRequires: perl(Module::Install::ExtraTests)
-BuildRequires: perl(Module::Install::Makefile)
-BuildRequires: perl(Module::Install::Metadata)
-BuildRequires: perl(Module::Install::WriteAll)
-BuildRequires: perl(parent)
-BuildRequires: perl(strict)
-BuildRequires: perl(Test::More)
-BuildRequires: perl(warnings)
-BuildRequires: sed
-
-Requires: perl(DBIx::Class)
+BuildRequires:  coreutils
+BuildRequires:  make
+BuildRequires:  perl
+BuildRequires:  perl-generators
+BuildRequires:  perl(inc::Module::Install)
+BuildRequires:  perl(Module::Install::ExtraTests)
+BuildRequires:  perl(Module::Install::Makefile)
+BuildRequires:  perl(Module::Install::Metadata)
+BuildRequires:  perl(Module::Install::WriteAll)
+BuildRequires:  perl(strict)
+BuildRequires:  perl(warnings)
+BuildRequires:  sed
+# Run-time:
+BuildRequires:  perl(base)
+BuildRequires:  perl(DBIx::Class) >= 0.08127
+# Tests:
+BuildRequires:  perl(DBICx::TestDatabase)
+BuildRequires:  perl(DBIx::Class::Schema)
+BuildRequires:  perl(FindBin)
+BuildRequires:  perl(lib)
+BuildRequires:  perl(parent)
+BuildRequires:  perl(Test::More)
+Requires:       perl(:MODULE_COMPAT_%(eval "`perl -V:version`"; echo $version))
+Requires:       perl(DBIx::Class) >= 0.08127
 
 %{?perl_default_filter}
+# Remove under-specified dependencies
+%global __requires_exclude %{?__requires_exclude:%{__requires_exclude}|}^perl\\(DBIx::Class\\)$
 
 %description
-Automatically set and update fields with values calculated at runtime.
+Automatically set and update fields with values calculated at run time.
 
 
 %prep
@@ -46,13 +47,11 @@ rm -r inc
 sed -i -e '/^inc\// d' MANIFEST
 
 %build
-%{__perl} Makefile.PL INSTALLDIRS=vendor
+perl Makefile.PL INSTALLDIRS=vendor NO_PACKLIST=1
 make %{?_smp_mflags}
 
 %install
 make pure_install DESTDIR=%{buildroot}
-find %{buildroot} -type f -name .packlist -delete
-
 %{_fixperms} %{buildroot}/*
 
 %check
@@ -66,6 +65,7 @@ make test
 %changelog
 * Wed Jun 07 2017 Petr Pisar <ppisar@redhat.com> - 0.04-15
 - Fix a changelog entry
+- Modernize spec file
 
 * Tue Jun 06 2017 Jitka Plesnikova <jplesnik@redhat.com> - 0.04-14
 - Perl 5.26 rebuild