diff --git a/alien.spec b/alien.spec
index 749a31d..7488bcd 100644
--- a/alien.spec
+++ b/alien.spec
@@ -11,6 +11,7 @@ Source:         http://ftp.debian.org/debian/pool/main/a/alien/alien_%version.ta
 Requires:       dpkg, debhelper, rpm-build
 Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
 
+BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker)
 
 BuildArch:      noarch