diff --git a/kbd.spec b/kbd.spec
index a5ccb0f987342e32e0722ec72e1c01b194b46294..181de18ccfbb8c1323c608cf81c2d17594e1a84d 100644
--- a/kbd.spec
+++ b/kbd.spec
@@ -2,7 +2,7 @@
 
 Name:           kbd
 Version:        2.5.1
-Release:        1
+Release:        2
 Summary:        Tools for managing Linux console(keyboard, virtual terminals, etc.)
 License:        GPLv2+
 URL:            https://www.kbd-project.org/
@@ -134,7 +134,7 @@ zgrep -L "U+0041" $RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/* | xargs rm -f
 if [ -f "$RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/cz.map.gz" ]; then
   gunzip $RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/cz.map.gz
   patch $RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/cz.map < %{SOURCE6}
-  gzip $RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/cz.map
+  gzip -n $RPM_BUILD_ROOT%{kbd_datadir}/keymaps/xkb/cz.map
 fi
 
 %find_lang %{name}
@@ -170,6 +170,9 @@ make check
 %{_mandir}/man8/*.8.gz
 
 %changelog
+* Thu May 30 2024 zhangpan <zhangpan103@h-partners.com> - 2.5.1-2
+- resolve gzip time eliminate differences
+
 * Thu Nov 03 2022 zhouwenpei <zhouwenpei@h-partners.com> - 2.5.1-1
 - update to 2.5.1