diff --git a/perl-Tie-Function.spec b/perl-Tie-Function.spec
index bdd435a..a9f5022 100644
--- a/perl-Tie-Function.spec
+++ b/perl-Tie-Function.spec
@@ -12,6 +12,7 @@ BuildRequires:  coreutils
 BuildRequires:  findutils
 BuildRequires:  make
 BuildRequires:  perl
+BuildRequires:  perl-generators
 BuildRequires:  perl(ExtUtils::MakeMaker)
 # Run-time:
 BuildRequires:  perl(Carp)