diff --git a/perl-CSS-Minifier-XS.spec b/perl-CSS-Minifier-XS.spec
index 9a23a2b..4872a0e 100644
--- a/perl-CSS-Minifier-XS.spec
+++ b/perl-CSS-Minifier-XS.spec
@@ -9,6 +9,8 @@ Source:     http://search.cpan.org/CPAN/authors/id/G/GT/GTERMARS/CSS-Minifier-XS
 Url:        http://search.cpan.org/dist/CSS-Minifier-XS
 Requires:   perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))
 
+BuildRequires: perl-devel
+BuildRequires: perl-generators
 BuildRequires: perl(CSS::Minifier)
 BuildRequires: perl(ExtUtils::MakeMaker)
 BuildRequires: perl(Module::Build::Compat)