diff --git a/perl-DBIx-Class.spec b/perl-DBIx-Class.spec
index c91bfe5..c27b7d7 100644
--- a/perl-DBIx-Class.spec
+++ b/perl-DBIx-Class.spec
@@ -10,11 +10,11 @@ BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
 BuildArch:      noarch
 
-BuildRequires:  perl >= 1:5.6.1
 BuildRequires:  perl(Carp::Clan) >= 6.0
 BuildRequires:  perl(Class::Accessor::Grouped) >= 0.09002
 BuildRequires:  perl(Class::C3::Componentised) >= 1.0005
 BuildRequires:  perl(Class::Inspector) >= 1.24
+BuildRequires:  perl(Class::ISA)
 BuildRequires:  perl(Context::Preserve) >= 0.01
 BuildRequires:  perl(CPAN)
 BuildRequires:  perl(Data::Dumper::Concise) >= 1.000