diff --git a/nmap.spec b/nmap.spec
index 97721d0b102cfd60a1d6dd8e303f404014dd7225..f3ac51f6115ee31f3ecd9d574da9451fb61c763f 100644
--- a/nmap.spec
+++ b/nmap.spec
@@ -1,4 +1,4 @@
-%define anolis_release .0.1
+%define anolis_release .0.2
 
 #Todo: stop using local copy of libdnet, once system distributed version 
 #supports sctp (grep sctp /usr/include/dnet.h)
@@ -47,8 +47,8 @@ BuildRequires: desktop-file-utils, dos2unix
 BuildRequires: libtool, automake, autoconf, gettext-devel
 
 %if ! %{with_frontend}
-Obsoletes: nmap-frontend
-Obsoletes: nmap-ndiff
+Obsoletes: nmap-frontend < %{epoch}:%{version}-%{release}
+Obsoletes: nmap-ndiff < %{epoch}:%{version}-%{release}
 %endif
 
 
@@ -282,6 +282,9 @@ fi
 %doc docs/nmap.usage.txt
 
 %changelog
+* Sun May 21 2023 Funda Wang <fundawang@yeah.net> - 2:7.70-6.0.2
+- Add versioned obsoletes for ease upgrading in future releases
+
 * Wed Jul 20 2022 DengXiewei <dengxiewei@linux.alibaba.com> - 2:7.70-6.0.1
 - Add doc sub package