diff --git a/autoconf.spec b/autoconf.spec
index 3d0f1ce..e35fc40 100644
--- a/autoconf.spec
+++ b/autoconf.spec
@@ -24,6 +24,7 @@ Requires:           m4 >= 1.4.14
 Requires:           emacs-filesystem
 BuildRequires:      emacs
 # the filtering macros are currently in /etc/rpm/macros.perl:
+BuildRequires:      perl-generators
 BuildRequires:      perl-macros
 BuildRequires:      perl(Data::Dumper)
 # from f19, Text::ParseWords is not the part of 'perl' package