Make clear that we need Perl 5.28 which not exist in rhel 8, Perl there is 5.26

debhelper-13.5.2.perl-5.28.patch

@@ -0,0 +1,12 @@
+reverted:
+--- b/lib/Debian/Debhelper/Dh_Lib.pm
++++ a/lib/Debian/Debhelper/Dh_Lib.pm
+@@ -6,7 +6,7 @@
+ 
+ package Debian::Debhelper::Dh_Lib;
+ 
+-use v5.24;
++use v5.28;
+ use warnings;
+ use utf8;
+ 

debhelper.spec

@@ -8,13 +8,14 @@
 
 Name:           debhelper
 Version:        13.5.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Helper programs for debian/rules
 
 License:        GPLv2+
 URL:            https://tracker.debian.org/pkg/debhelper
 Source0:        http://ftp.debian.org/debian/pool/main/d/%{name}/%{name}_%{version}.tar.xz
 Patch2:         no_layout_deb.patch
+Patch4:         debhelper-13.5.2.perl-5.28.patch
 BuildArch:      noarch
 
 BuildRequires:  gcc
@@ -26,6 +27,8 @@ BuildRequires:  dpkg-dev >= 1.18.0
 BuildRequires:  findutils
 BuildRequires:  grep
 BuildRequires:  make
+# https://lists.debian.org/debian-devel/2021/05/msg00141.html
+BuildRequires:  perl-interpreter >= 5.28
 BuildRequires:  perl-generators
 BuildRequires:  perl-interpreter
 BuildRequires:  perl-podlators
@@ -122,6 +125,7 @@ cc -dumpmachine
 
 %setup -q -n %{name}
 %patch2 -p1 -b .no-debian-layout
+%patch4 -p1 -b .perl-5.28
 
 %build
 %make_build build
@@ -164,6 +168,9 @@ make test
 %{perl_vendorlib}/*
 
 %changelog
+* Tue Nov 02 2021 Sérgio Basto <sergio@serjux.com> - 13.5.2-2
+- Make clear that we need Perl 5.28 which not exist in rhel 8, Perl there is 5.26
+
 * Mon Nov 01 2021 Sérgio Basto <sergio@serjux.com> - 13.5.2-1
 - Update debhelper to 13.5.2 (#1994808)