diff --git a/dwz-0.14.tar.xz b/dwz-0.14.tar.xz
deleted file mode 100644
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Binary files a/dwz-0.14.tar.xz and /dev/null differ
diff --git a/dwz-0.15.tar.xz b/dwz-0.15.tar.xz
new file mode 100644
index 0000000000000000000000000000000000000000..d293ea07776b0fe2bc984c366466c493bb9eeea5
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diff --git a/dwz.spec b/dwz.spec
index fa37896b26fb53c3aed26931eca7aed5d416f2ec..1c541811cb005285d9e93251c8d16733d443c8d4 100644
--- a/dwz.spec
+++ b/dwz.spec
@@ -1,14 +1,12 @@
 Name: dwz
-Version: 0.14
-Release: 5
-Summary: A DWARF optimization and duplicate removal tool
+Version: 0.15
+Release: 1
+Summary: DWARF optimization and duplicate removal tool
 License: GPLv2+ and GPLv3+
 URL: https://sourceware.org/dwz/
-Source0:https://sourceware.org/ftp/dwz/releases/%{name}-%{version}.tar.xz
-BuildRequires:gcc gcc-c++ gdb elfutils-libelf-devel dejagnu
-
-Patch1: testsuite-Handle-readelf-following-links-by-default.patch
-Patch2: backport-Redirect-stder-in-gdb-add-index.sh-test.patch
+Source: https://sourceware.org/ftp/dwz/releases/%{name}-%{version}.tar.xz
+BuildRequires: gcc, gcc-c++, gdb, elfutils-libelf-devel, dejagnu
+BuildRequires: make elfutils xxhash-devel
 
 %description
 The package contains a program that attempts to optimize DWARF debugging
@@ -25,15 +23,12 @@ using DW_TAG_imported_unit to import it into each CU that needs it.
 %autosetup -n %{name} -p1
 
 %build
-make %{?_smp_mflags} CFLAGS='%{optflags}' LDFLAGS='%{build_ldflags}' \
+%make_build CFLAGS='%{optflags}' LDFLAGS='%{build_ldflags}' \
   prefix=%{_prefix} mandir=%{_mandir} bindir=%{_bindir}
-#%%make_build
 
 %install
-#%rm -rf %{buildroot}
-make DESTDIR=%{buildroot} prefix=%{_prefix} mandir=%{_mandir} bindir=%{_bindir} \
-  install
-#%%make_install
+rm -rf %{buildroot}
+%make_install prefix=%{_prefix} mandir=%{_mandir} bindir=%{_bindir}
 
 %pre
 
@@ -51,9 +46,12 @@ make check
 %{_bindir}/dwz
 
 %files help
-%{_mandir}/man1/dwz*
+%{_mandir}/man1/dwz.1*
 
 %changelog
+* Tue Jan 31 2023 Cao Jingbo <caojb@chinatelecom.cn> - 0.15-1
+- update 0.15.
+
 * Tue Jan 10 2023 dongyuzhen <dongyuzhen@h-partners.com> - 0.14-5
 - fix the testcase fail