diff --git a/ipcalc.spec b/ipcalc.spec
index 2d0eb36577cd2dca876e027d4d9ddb7ba9dc59f4..0f32211d9040faf1327d5f17c19280760b7218ed 100644
--- a/ipcalc.spec
+++ b/ipcalc.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 
 Name:           ipcalc
 Version:        1.0.1
@@ -26,6 +26,14 @@ the provided network address, multiple command line options per
 information to be printed, transparent IPv6 support, and in addition it
 will use libGeoIP if available to provide geographic information.
 
+%package doc
+Summary:        Documentation files for %{name}
+Requires:       %{name} = %{version}-%{release}
+BuildArch:      noarch
+
+%description    doc
+The %{name}-doc package contains documentation files for %{name}.
+
 %prep
 %autosetup
 
@@ -40,11 +48,16 @@ will use libGeoIP if available to provide geographic information.
 %meson_test
 
 %files
-%doc README.md
 %license COPYING
 %{_bindir}/ipcalc
 %{_mandir}/man1/ipcalc.1*
 
+%files doc
+%doc README.md
+
 %changelog
+* Mon Oct 10 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 1.0.1-2
+- add doc package
+
 * Fri Mar 04 2022 Su Lifan <su-lifan@linux.alibaba.com> - 1.0.1-1
 - Initial packaging for Anolis 23