diff --git a/libdwarf-20201020.tar.gz b/libdwarf-20201020.tar.gz
deleted file mode 100644
index a3cdf3aec8455db4075569a2290c76d39d00c206..0000000000000000000000000000000000000000
Binary files a/libdwarf-20201020.tar.gz and /dev/null differ
diff --git a/libdwarf-20210528.tar.gz b/libdwarf-20210528.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..163b5d91d85e3d75039a8802f6dd815c3d44fcd0
Binary files /dev/null and b/libdwarf-20210528.tar.gz differ
diff --git a/libdwarf.spec b/libdwarf.spec
index 22b5418635c62751f37f3ea7c6a3cd468a942c65..e38517ba38fffafe1e5f1a3ce6e49a022aa2bfe8 100644
--- a/libdwarf.spec
+++ b/libdwarf.spec
@@ -1,5 +1,5 @@
 Name:          libdwarf
-Version:       20201020
+Version:       20210528
 Release:       1
 Summary:       Library to access DWARF debugging information
 License:       LGPLv2
@@ -32,6 +32,7 @@ Libdwarf-tools contains dwarfdump, a tool to access DWARF debug information.
 %prep
 %autosetup -n %{name}-%{version} -p1
 
+
 %build
 %configure --enable-shared
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
@@ -42,7 +43,6 @@ sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
 %make_install
 install -d %{buildroot}%{_includedir}/libdwarf
 mv %{buildroot}%{_includedir}/*.h %{buildroot}%{_includedir}/libdwarf
-
 %delete_la
 
 %check
@@ -57,6 +57,7 @@ LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
 %files devel
 %defattr(-,root,root)
 %{_includedir}/libdwarf
+%{_libdir}/libdwarf.so
 %{_libdir}/{libdwarf.so,libdwarf.a}
 
 %files tools
@@ -72,10 +73,13 @@ LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
 %{_mandir}/man1/dwarfdump.1.gz
 
 %changelog
+* Tue Jul 26 2022 panys<panyanshuang@nati-gba.cn> - 20210528-1
+- upgrade to version 20210528
+
 * Tue Nov 24 2020 SimpleUpdate Robot <tc@openeuler.org> - 20201020-1
 - Upgrade to version 20201020
 
-* Fri Jun 21 2020 hanhui<hanhui15@huawei.com> - 20200114
+* Sun Jun 21 2020 hanhui<hanhui15@huawei.com> - 20200114
 - Mainline branch update to 20200114
 
 * Tue Apr 21 2020 songnannan <songnannan2@huawei.com> - 20200114