diff --git a/1.49.2.tar.gz b/espeak-ng-1.51.tar.gz
similarity index 52%
rename from 1.49.2.tar.gz
rename to espeak-ng-1.51.tar.gz
index ee64dcea630ba33aba2922f47346cbf22c0590a7..088b2a0561fe2452e63492a33aee1f7f67f29fbe 100644
Binary files a/1.49.2.tar.gz and b/espeak-ng-1.51.tar.gz differ
diff --git a/espeak-ng.spec b/espeak-ng.spec
index 7f06c46adc2454d8456e3554d7dfcdba37695b24..b9a4e6a1587c9cf99c7f30fcd83920785617cdb6 100644
--- a/espeak-ng.spec
+++ b/espeak-ng.spec
@@ -1,12 +1,12 @@
 Name:           espeak-ng
-Version:        1.49.2
-Release:        7
+Version:        1.51
+Release:        1
 Summary:        eSpeak NG is an open source speech synthesizer
-License:        GPLv3+ and Apache-2.0
+License:        GPLv3+ and Apache-2.0 and BSD-2-Clause
 URL:            https://github.com/espeak-ng/espeak-ng
-Source0:        https://github.com/espeak-ng/espeak-ng/archive/%{version}.tar.gz
-Patch0:         gcc-10.patch
+Source0:        https://github.com/espeak-ng/espeak-ng/archive/%{name}-%{version}.tar.gz
 BuildRequires:  make autoconf automake libtool pkgconfig rubygem-ronn-ng rubygem-kramdown pcaudiolib-devel
+BuildRequires:  gcc-c++
 Provides:       espeak-ng-vim = %{version}-%{release}
 Obsoletes:      espeak-ng-vim < %{version}-%{release}
 
@@ -52,7 +52,7 @@ ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng ...
 /sbin/ldconfig
 
 %files
-%doc COPYING COPYING.IEEE README.md CHANGELOG.md
+%doc COPYING COPYING.APACHE COPYING.BSD2 README.md CHANGELOG.md
 %{_bindir}/{speak-ng,espeak-ng}
 %{_libdir}/libespeak-ng.so.*
 %{_datadir}/espeak-ng-data
@@ -74,6 +74,9 @@ ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng ...
 %{_mandir}/man1/{speak-ng.1.gz,espeak-ng.1.gz}
 
 %changelog
+* Thu Oct 19 2023 Ge Wang <wang__ge@126.com> - 1.51-1
+- Update to version 1.51
+
 * Tue Aug 03 2021 liping <liping136@huawei.com> - 1.49.2-7
 - fix by upgrade to GCC-10
 
diff --git a/gcc-10.patch b/gcc-10.patch
deleted file mode 100644
index 767fef613c43ec71bfe7785b427cf126d951390b..0000000000000000000000000000000000000000
--- a/gcc-10.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/src/espeak-ng.c	2021-08-03 20:34:16.970088987 +0800
-+++ b/src/espeak-ng.c	2021-08-03 20:34:06.581921729 +0800
-@@ -115,7 +115,7 @@ static const char *help_text =
-     "\t   If <language> is omitted, then list all voices.\n"
-     "-h, --help Show this help.\n";
-
--int samplerate;
-+static int samplerate;
- int quiet = 0;
- unsigned int samples_total = 0;
- unsigned int samples_split = 0;