diff --git a/ipcalc.spec b/ipcalc.spec
index 5cb9f3daa78f8b8776dade17496c7d3afa910367..fb3b85ac47cc3fd47c9ba8d4679134e2ba5ad592 100644
--- a/ipcalc.spec
+++ b/ipcalc.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 
 Name:           ipcalc
 Version:        1.0.2
@@ -12,7 +12,8 @@ Source0:        https://gitlab.com/ipcalc/ipcalc/-/archive/%{version}/ipcalc-%{v
 BuildRequires:  gcc
 BuildRequires:  meson
 BuildRequires:  libmaxminddb-devel
-BuildRequires:  rubygem-ronn-ng
+# for man pages
+BuildRequires:  go-md2man
 Recommends:     libmaxminddb
 Recommends:     geolite2-city
 Recommends:     geolite2-country
@@ -40,9 +41,11 @@ The %{name}-doc package contains documentation files for %{name}.
 %build
 %meson -Duse_maxminddb=enabled -Duse_runtime_linking=enabled
 %meson_build
+go-md2man -in ipcalc.1.md -out ipcalc.1
 
 %install
 %meson_install
+install -D -p -m 0644 ipcalc.1 %{buildroot}%{_mandir}/man1/ipcalc.1
 
 %check
 %meson_test
@@ -56,6 +59,9 @@ The %{name}-doc package contains documentation files for %{name}.
 %doc README.md
 
 %changelog
+* Tue Apr 04 2023 Chunmei Xu <xuchunmei@linux.alibaba.com> - 1.0.2-3
+- use go-md2man instead of rubygem-ronn-ng to generate man pages
+
 * Thu Feb 23 2023 Kaihao Bai <carlo.bai@linux.alibaba.com> - 1.0.2-1
 - update version