diff --git a/libunwind-1.8.0.tar.gz b/libunwind-1.8.0.tar.gz
deleted file mode 100644
index 73387b239df97aec238917fb295dae3f620d681c..0000000000000000000000000000000000000000
Binary files a/libunwind-1.8.0.tar.gz and /dev/null differ
diff --git a/libunwind-1.8.1.tar.gz b/libunwind-1.8.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..d4dd6b1b00eed3a77b07102142bff3b073f6a854
Binary files /dev/null and b/libunwind-1.8.1.tar.gz differ
diff --git a/libunwind.spec b/libunwind.spec
index b344da43cee6604b105e60339670054de67c2ad8..e3a394ad9ccbc8b9682e472ff5998ecdf5a2c411 100644
--- a/libunwind.spec
+++ b/libunwind.spec
@@ -1,17 +1,20 @@
+%bcond_with tests
+
 Name: libunwind
 Epoch: 2
-Version: 1.8.0
-Release: 2
+Version: 1.8.1
+Release: 1
 Summary: Libunwind provides a C ABI to determine the call-chain of a program
-License: BSD
-URL: http://savannah.nongnu.org/projects/libunwind
-Source: http://download-mirror.savannah.gnu.org/releases/libunwind/libunwind-%{version}.tar.gz
+License: MIT
+URL: https://www.nongnu.org/libunwind/
+Source: https://github.com/libunwind/libunwind/releases/download/v%{version}/%{name}-%{version}.tar.gz
 
 Patch9000: riscv.patch
 
 ExclusiveArch: aarch64 %{ix86} x86_64 riscv64 ppc64le loongarch64
 
-BuildRequires: automake libtool autoconf texlive-latex2man gcc-c++
+BuildRequires: gcc-c++
+BuildRequires: /usr/bin/latex2man
 
 %description
 Libunwind defines a portable and efficient C programming interface (API) to
@@ -33,12 +36,9 @@ This package contains development files for libunwind.
 %autosetup -n %{name}-%{version} -p1
 
 %build
-aclocal
-libtoolize --force
-autoheader
-automake --add-missing
-autoconf
-%configure --enable-static --enable-shared --enable-setjmp=no
+%global optflags %{optflags} -fcommon
+
+%configure --enable-static --enable-shared --enable-setjmp=no %{!?with_test:--disable-tests}
 %make_build
 
 %install
@@ -56,22 +56,19 @@ rm -f $RPM_BUILD_ROOT%{_libdir}/libunwind-ptrace*.so*
 # fix multilib conflicts
 touch -r NEWS $RPM_BUILD_ROOT%{_includedir}/libunwind.h
 
-%check
-make check || true
-
-%pre
+%if %{with tests}
+# drop installed test programs
+rm -fr %{buildroot}%{_libexecdir}
 
-%preun
-
-%ldconfig_scriptlets
+%check
+%make_build check
+%endif
 
 %files
-%defattr(-,root,root)
 %license COPYING
 %{_libdir}/libunwind*.so.*
 
 %files devel
-%defattr(-,root,root)
 %{_libdir}/pkgconfig/libunwind*.pc
 # <unwind.h> does not get installed for REMOTE_ONLY targets - check it.
 %{_includedir}/unwind.h
@@ -80,11 +77,15 @@ make check || true
 %{_libdir}/libunwind*.so
 
 %files help
-%defattr(-,root,root)
 %doc README NEWS
 %{_mandir}/*/*
 
 %changelog
+* Sun Sep 29 2024 Funda Wang <fundawang@yeah.net> - 2:1.8.1-1
+- update to 1.8.1
+- disable test build by default, as it produces error under aarch64
+  (https://github.com/libunwind/libunwind/issues/788)
+
 * Thu Sep 12 2024 liweigang <liweiganga@uniontech.com> - 2:1.8.0-2
 - Type:
 - ID:NA
diff --git a/libunwind.yaml b/libunwind.yaml
index 75a741d9410d6dd6c58543bdb714fab5632d5bd5..59ee9b24c05bebf579f2ce051a1c42d827d98c11 100644
--- a/libunwind.yaml
+++ b/libunwind.yaml
@@ -1,4 +1,4 @@
-version_control: git
-src_repo: https://git.savannah.gnu.org/git/libunwind.git
-tag_prefix: ^v 
-seperator: . 
+version_control: github
+src_repo: libunwind/libunwind
+tag_prefix: ^v
+separator: .