diff --git a/perl-SystemC-Vregs.spec b/perl-SystemC-Vregs.spec
index d0fbbdb..c4d64a5 100644
--- a/perl-SystemC-Vregs.spec
+++ b/perl-SystemC-Vregs.spec
@@ -23,16 +23,29 @@ Source0:        http://www.cpan.org/authors/id/W/WS/WSNYDER/SystemC-Vregs-%{vers
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildArch:      noarch
 
-BuildRequires:  perl(Bit::Vector)
+BuildRequires:  perl(Carp)
 BuildRequires:  perl(ExtUtils::MakeMaker)
-BuildRequires:  perl(HTML::Parser)
-BuildRequires:  perl(HTML::TableExtract)
-BuildRequires:  perl(Verilog::Language) >= 2.1
 BuildRequires:  readline-devel
+# Run-time
+BuildRequires:  perl(base)
+BuildRequires:  perl(Bit::Vector)
+BuildRequires:  perl(Bit::Vector::Overload)
+BuildRequires:  perl(Data::Dumper)
+BuildRequires:  perl(Getopt::Long)
+BuildRequires:  perl(HTML::Entities)
+BuildRequires:  perl(HTML::TableExtract)
+BuildRequires:  perl(IO::File)
+BuildRequires:  perl(lib)
+BuildRequires:  perl(Pod::Usage)
+BuildRequires:  perl(Verilog::Language) >= 2.1
+# Tests
+BuildRequires:  perl(Test)
 
-Requires:       perl(Bit::Vector)
-Requires:       perl(HTML::Parser)
 Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
+Requires:       perl(Verilog::Language) >= 2.1
+
+# Remove under-specified dependencies
+%global __requires_exclude %{?__requires_exclude?%__requires_exclude|}^perl\\(Verilog::Language\\)$
 
 %description
 A Vregs object contains a documentation "package" containing enumerations,
@@ -104,6 +117,7 @@ rm -rf $RPM_BUILD_ROOT
 %changelog
 * Wed Jun 27 2012 Petr Pisar <ppisar@redhat.com> - 1.463-9
 - Perl 5.16 rebuild
+- Specify all dependencies
 
 * Fri Jan 13 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.463-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass_Rebuild