diff --git a/perl-Test-Number-Delta.spec b/perl-Test-Number-Delta.spec
index 2ce17da..d353688 100644
--- a/perl-Test-Number-Delta.spec
+++ b/perl-Test-Number-Delta.spec
@@ -7,6 +7,7 @@ License:        GPL+ or Artistic
 URL:            http://search.cpan.org/dist/Test-Number-Delta/
 Source0:        http://www.cpan.org/authors/id/D/DA/DAGOLDEN/Test-Number-Delta-%{version}.tar.gz
 BuildArch:      noarch
+BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker)
 BuildRequires:  perl(Test::Builder) >= 0.32
 BuildRequires:  perl(Test::Builder::Tester) >= 1.02