diff --git a/perl-Data-Hierarchy.spec b/perl-Data-Hierarchy.spec
index 2058359..ea74060 100644
--- a/perl-Data-Hierarchy.spec
+++ b/perl-Data-Hierarchy.spec
@@ -9,6 +9,7 @@ BuildArch:      noarch
 # Build
 BuildRequires:  make
 BuildRequires:  perl
+BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker) >= 6.76
 # Runtime
 BuildRequires:  perl(Carp)