diff --git a/ndisc.spec b/ndisc.spec
index d1f79adccfc0a02132e39055660cb0f8e7fe7ca4..fdfc43f31aeaa21fb5a3c2071456d91b1c8b66ad 100644
--- a/ndisc.spec
+++ b/ndisc.spec
@@ -1,12 +1,13 @@
 Name:		ndisc6
 Version:	1.0.4
-Release:	1
+Release:	2
 Summary:	IPv6 diagnostic tools
 License:	GPLv2 or GPLv3
 URL:		http://www.remlab.net/ndisc6
 Source0:	http://www.remlab.net/files/ndisc6/%{name}-%{version}.tar.bz2
 
 BuildRequires:	gcc perl-generators
+Requires:   ndisc6-help
 
 %description
 NDisc6 is a small collection of useful tools for IPv6 networking.
@@ -44,5 +45,8 @@ It includes the follwing programs :
 %{_mandir}/man*
 
 %changelog
+* Fri Nov 6 2020 jialei <jialei17@huawei.com> - 1.0.4-2
+- add help for Requires
+
 * Thu Jan 7 2018 openEuler Buildteam <buildteam@openeuler.org> - 1.0.4-1
 - Package init