diff --git a/djvulibre.spec b/djvulibre.spec
index 86efd6a1b085ced4f7382e99f6b81b287d8e70d0..35ed7707094ad357ab1721b4ed32bd386a7748fc 100644
--- a/djvulibre.spec
+++ b/djvulibre.spec
@@ -1,7 +1,7 @@
 Name:             djvulibre
 Summary:          An open source (GPL'ed) implementation of DjVu
 Version:          3.5.27
-Release:          20
+Release:          21
 License:          GPLv2+
 URL:              http://djvu.sourceforge.net/
 Source0:          http://downloads.sourceforge.net/djvu/djvulibre-%{version}.tar.gz
@@ -45,11 +45,7 @@ Requires:         djvulibre = %{version}-%{release} pkgconfig
 %description devel
 Development files for DjVuLibre.
 
-%package help
-Summary:         Help documentation for the djvulibre
-
-%description help
-Help documentation for the djvulibre.
+%package_help
 
 %prep
 %autosetup -p1
@@ -104,6 +100,9 @@ rm -f %{_datadir}/icons/hicolor/32x32/apps/djvulibre-djview3.png || :
 %{_mandir}/man1/*
 
 %changelog
+* Mon Aug 19 2024 Chunchun Yang <yangchunchun@cqsoftware.com.cn> - 3.5.27-21
+- Replaced declaration of subpackage with the 'package_help' macro.
+
 * Wed Sep 13 2023 wangkai <13474090681@163.com> - 3.5.27-20
 - Fix CVE-2021-46310,CVE-2021-46312