diff --git a/perl-IO-String.spec b/perl-IO-String.spec
index 1412201..80a2ec8 100644
--- a/perl-IO-String.spec
+++ b/perl-IO-String.spec
@@ -7,6 +7,7 @@ License:        GPL+ or Artistic
 URL:            http://search.cpan.org/dist/IO-String/
 Source0:        http://www.cpan.org/authors/id/G/GA/GAAS/IO-String-%{version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker)
 # Run-time:
 BuildRequires:  perl(Data::Dumper)