diff --git a/perl-Crypt-OpenSSL-Bignum.spec b/perl-Crypt-OpenSSL-Bignum.spec
index a398fef..306c201 100644
--- a/perl-Crypt-OpenSSL-Bignum.spec
+++ b/perl-Crypt-OpenSSL-Bignum.spec
@@ -7,6 +7,8 @@ Group:          Development/Libraries
 URL:            http://search.cpan.org/dist/Crypt-OpenSSL-Bignum/
 Source0:        http://search.cpan.org/CPAN/authors/id/K/KM/KMX/Crypt-OpenSSL-Bignum-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+BuildRequires:  perl-devel
+BuildRequires:  perl-generators
 BuildRequires:  openssl openssl-devel perl(ExtUtils::MakeMaker) perl(Test)
 
 Requires:       perl(:MODULE_COMPAT_%(eval "`%{__perl} -V:version`"; echo $version))