diff --git a/perl-Date-Calc-XS.spec b/perl-Date-Calc-XS.spec
index 5868646..8f00fa0 100644
--- a/perl-Date-Calc-XS.spec
+++ b/perl-Date-Calc-XS.spec
@@ -11,6 +11,8 @@ BuildRequires:  glibc-common
 BuildRequires:  findutils
 BuildRequires:  make
 BuildRequires:  perl
+BuildRequires:  perl-devel
+BuildRequires:  perl-generators
 BuildRequires:  perl(Bit::Vector) >= 7.1
 BuildRequires:  perl(bytes)
 BuildRequires:  perl(Carp::Clan) >= 6.01