diff --git a/libdwarf-20200114.tar.gz b/libdwarf-20200114.tar.gz
deleted file mode 100644
index cb8876ae80eb0dc1ed668aaac3e131335816845d..0000000000000000000000000000000000000000
Binary files a/libdwarf-20200114.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
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diff --git a/libdwarf.spec b/libdwarf.spec
index 38a137b4605e728a0b7238551d328fda4a22819c..153c465070961bb8b19b3822736cc46f1b2d9965 100644
--- a/libdwarf.spec
+++ b/libdwarf.spec
@@ -1,5 +1,5 @@
 Name:          libdwarf
-Version:       20200114
+Version:       20210528
 Release:       1
 Summary:       Library to access DWARF debugging information
 License:       LGPLv2
@@ -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
@@ -72,8 +73,11 @@ 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 Apr 21 2020 songnannan <songnannan2@huawei.com> - 20200114
 - update to 20200114
 
 * Tue Nov 05 2019 yanzhihua <yanzhihua4@huawei.com> - 20180809-2
-- Package init
\ No newline at end of file
+- Package init