diff --git a/perl-Verilog-Perl.spec b/perl-Verilog-Perl.spec
index 8144158..bccf323 100644
--- a/perl-Verilog-Perl.spec
+++ b/perl-Verilog-Perl.spec
@@ -15,16 +15,27 @@ Source0:       http://search.cpan.org/CPAN/authors/id/W/WS/WSNYDER/ftp/Verilog-P
 
 BuildRoot:     %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
-BuildRequires: perl
-%if 0%{?rhel} > 5
-BuildRequires: perl-Time-HiRes
-%endif
-BuildRequires: perl(Test::Pod)
-BuildRequires: perl(ExtUtils::MakeMaker)
-BuildRequires: perl(Digest::SHA1)
 BuildRequires: gdbm-devel
 BuildRequires: flex bison
-BuildRequires: perl-Digest-SHA
+BuildRequires: perl
+BuildRequires: perl(Digest::SHA)
+BuildRequires: perl(ExtUtils::MakeMaker)
+BuildRequires: perl(IO::File)
+BuildRequires: perl(Pod::Usage)
+# Run-time
+BuildRequires: perl(base)
+BuildRequires: perl(Carp)
+BuildRequires: perl(Cwd)
+BuildRequires: perl(DynaLoader)
+BuildRequires: perl(File::Path)
+BuildRequires: perl(File::Spec)
+# Tests
+BuildRequires: perl(Data::Dumper)
+BuildRequires: perl(Test)
+BuildRequires: perl(Test::More)
+BuildRequires: perl(Time::HiRes)
+# Optional tests
+BuildRequires: perl(Test::Pod)
 
 Requires:      perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
 
@@ -100,6 +111,7 @@ rm -rf %{buildroot}
 %changelog
 * Tue Jun 12 2012 Petr Pisar <ppisar@redhat.com> - 3.314-2
 - Perl 5.16 rebuild
+- Specify all dependencies
 
 * Tue Feb 28 2012 Chitlesh Goorah <chitlesh [AT] fedoraproject DOT org> 3.314-1
 - New upstream release