diff --git a/perl-mail/perl-mail.spec b/perl-mail/perl-mail.spec
index 85121d943a..fac3e4f393 100644
--- a/perl-mail/perl-mail.spec
+++ b/perl-mail/perl-mail.spec
@@ -23,7 +23,7 @@
 
 #   versions of individual parts
 %define       V_perl                    5.22
-%define       V_mail_box                4.00
+%define       V_mail_box                4.01
 %define       V_mail_imapclient         3.43
 %define       V_mail_mbox_messageparser 1.5111
 %define       V_mail_mboxparser         0.55
@@ -58,7 +58,7 @@ Class:        BASE
 Group:        Perl
 License:      GPL/Artistic
 Version:      %{V_perl}
-Release:      20251212
+Release:      20251213
 
 #   list of sources
 Source0:      http://www.cpan.org/authors/id/M/MA/MARKOV/MailTools-%{V_mailtools}.tar.gz