diff --git a/sendmail.spec b/sendmail.spec
index 1b214f0..1ccf7bc 100644
--- a/sendmail.spec
+++ b/sendmail.spec
@@ -47,6 +47,7 @@ Buildroot: %{_tmppath}/%{name}-root
 BuildRequires: tcp_wrappers
 BuildRequires: db4-devel
 BuildRequires: hesiod-devel
+BuildRequires: groff
 PreReq: /usr/sbin/alternatives
 Provides: %{_sbindir}/sendmail %{_bindir}/mailq %{_bindir}/newaliases
 Provides: %{_bindir}/rmail %{_mandir}/man1/mailq.1.gz
@@ -569,6 +570,9 @@ exit 0
 %{_docdir}/sendmail
 
 %changelog
+* Fri Oct  8 2004 Thomas Woerner <twoerner@redhat.com> 8.13.1-2.1
+- added missing BuildRequires for groff (#134778)
+
 * Wed Sep  1 2004 Thomas Woerner <twoerner@redhat.com> 8.13.1-2
 - applied Sendmail Errata (2004-08-24): errata_cataddr (#131179)