diff --git a/perl-Class-Prototyped.spec b/perl-Class-Prototyped.spec
index 4476da6..6f7bd9a 100644
--- a/perl-Class-Prototyped.spec
+++ b/perl-Class-Prototyped.spec
@@ -7,12 +7,14 @@ Group:          Development/Libraries
 URL:            http://search.cpan.org/dist/Class-Prototyped/
 Source0:        http://www.cpan.org/authors/id/T/TE/TEVERETT/Class-Prototyped-%{version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  coreutils
 BuildRequires:  perl
 BuildRequires:  perl(Module::Build)
 # Run-time:
 BuildRequires:  perl(Carp)
 # GraphViz not used for tests
 # IO::File not used for tests
+BuildRequires:  perl(overload)
 BuildRequires:  perl(strict)
 # Tests:
 BuildRequires:  perl(Data::Dumper)
@@ -52,6 +54,7 @@ perl Build.PL installdirs=vendor
 %changelog
 * Fri Oct 23 2015 Petr Pisar <ppisar@redhat.com> - 1.13-6
 - Remove useless filter
+- Specify all dependencies
 
 * Thu Jun 18 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.13-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild