diff --git a/openslp.spec b/openslp.spec
index 6a63403..c1a1cfa 100644
--- a/openslp.spec
+++ b/openslp.spec
@@ -1,6 +1,7 @@
 Name:              openslp
 Version:           2.0.0
-Release:           26
+Release:           27
+Epoch:             1
 Summary:           Open-source inplementation of the IETF Service Location Protocol
 License:           BSD
 URL:               https://sourceforge.net/projects/openslp/
@@ -35,14 +36,14 @@ and configuration of networked services in enterprise networks.
 
 %package devel
 Summary: Provide headers and libraries for openslp
-Requires: %{name} = %{version}-%{release}
+Requires: %{name} = %{epoch}:%{version}-%{release}
 
 %description devel
 Provide header files and libraries of openslp
 
 %package server
 Summary: OpenSLP server daemon
-Requires: %{name} = %{version}-%{release}
+Requires: %{name} = %{epoch}:%{version}-%{release}
 Requires: iproute
 
 %description server
@@ -125,6 +126,12 @@ rm -rf $RPM_BUILD_ROOT/usr/doc
 %{_mandir}/man8/slpd.*
 
 %changelog
+* Fri Aug 26 2022 xingwei <xingwei14@h-partners.com> - 2.0.0-27
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Introduce epoch command to slove package upgrade failure problem
+
 * Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 2.0.0-26
 - DESC: delete -S git from %autosetup, and delete BuildRequires git