diff --git a/Add-an-update-doc-version-target.patch b/Add-an-update-doc-version-target.patch
new file mode 100644
index 0000000..ea53d07
--- /dev/null
+++ b/Add-an-update-doc-version-target.patch
@@ -0,0 +1,37 @@
+From 210a8afa5e601dda3a05e73f0415df5e8c3b9ef6 Mon Sep 17 00:00:00 2001
+From: Ron <ron@debian.org>
+Date: Mon, 14 Nov 2016 18:27:31 +1030
+Subject: [PATCH] Add an update-doc-version target
+
+This is similar to the automation we added to libogg, it needs to be
+invoked manually after the package version is changed in configure.ac
+when the documentation boilerplate needs to be updated for a release.
+---
+ doc/Makefile.am | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/doc/Makefile.am b/doc/Makefile.am
+index ad81252..417a126 100644
+--- a/doc/Makefile.am
++++ b/doc/Makefile.am
+@@ -44,3 +44,17 @@ doc_DATA =  ao_append_option.html \
+             style.css
+ 
+ EXTRA_DIST = $(doc_DATA)
++
++update-doc-version:
++	@YEAR=$$(date +%Y); DAY=$$(date +%Y%m%d);					\
++	for f in $(srcdir)/*.html; do							\
++		sed -e "s/2010-[0-9]\{4\} Monty/2010-$$YEAR Monty/g"			\
++		    -e "s/libao version [0-9. -]\+/libao version $(VERSION) - $$DAY/g"	\
++			< $$f > $$f.tmp;						\
++		if diff -q $$f $$f.tmp > /dev/null; then				\
++			rm $$f.tmp;							\
++		else									\
++			mv $$f.tmp $$f;							\
++		fi;									\
++	done;
++
+-- 
+2.27.0
+
diff --git a/libao.spec b/libao.spec
index a8f4d69..343cabb 100644
--- a/libao.spec
+++ b/libao.spec
@@ -1,12 +1,13 @@
 Name:           libao
 Version:        1.2.0
-Release:        14
+Release:        15
 Summary:        A cross platform audio library
 License:        GPLv2+
 URL:            http://xiph.org/ao/
 Source0:        http://downloads.xiph.org/releases/ao/libao-%{version}.tar.gz
 Patch1:         0001-ao_pulse.c-fix-latency-calculation.patch
 Patch2:         d5221655dfd1a2156aa6be83b5aadea7c1e0f5bd.diff
+Patch3:         Add-an-update-doc-version-target.patch
 BuildRequires:  gcc alsa-lib-devel pkgconfig(libpulse)
 
 %description
@@ -69,5 +70,8 @@ rm -rf %{buildroot}/%{_docdir}/libao*
 
 
 %changelog
+* Wed Dec 27 2023 fandehui <fandehui@xfusion.com> - 1.2.0-15
+- Add an update-doc-version target
+
 * Thu Nov 28 2019 huyan <hu.huyan@huawei.com> - 1.2.0-14
 - Package Initialization