diff --git a/procmail.spec b/procmail.spec
index cbcc6e7..5ec240b 100644
--- a/procmail.spec
+++ b/procmail.spec
@@ -7,7 +7,7 @@
 
 Name:               procmail
 Version:            3.22
-Release:            50
+Release:            51
 Summary:            A program for filtering, sorting and storing email
 License:            GPLv2+ or Artistic
 URL:                https://www.procmail.org
@@ -53,6 +53,8 @@ cp -p %{SOURCE1} telsas_procmailrc
 %files
 %defattr(-,root,root)
 %doc Artistic debian/QuickStart debian/README.Maildir
+%{_bindir}/formail
+%attr(2755,root,mail) %{_bindir}/lockfile
 %license COPYING
 %{_bindir}/*
 
@@ -63,6 +65,12 @@ cp -p %{SOURCE1} telsas_procmailrc
 %{_mandir}/man5/*.5.gz
 
 %changelog
+* Mon Feb 8 2021 hanzhijun <hanzhijun1@huawei.com> - 3.22-51
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:modify lockfile permissions from 755 to 2755
+
 * Mon Oct 21 2019 openEuler Buildteam <buildteam@openeuler.org> - 3.22-50
 - Type:enhancement
 - Id:NA