diff --git a/libdwarf-20200114.tar.gz b/libdwarf-20200114.tar.gz
deleted file mode 100644
index cb8876ae80eb0dc1ed668aaac3e131335816845d..0000000000000000000000000000000000000000
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diff --git a/libdwarf-20201020.tar.gz b/libdwarf-20201020.tar.gz
new file mode 100644
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diff --git a/libdwarf.spec b/libdwarf.spec
index d679d5022d362227934bcedf11649f00dae5f9d9..1b9a435c40ed149ee31bdbbd3dbb4e135b97fa3f 100644
--- a/libdwarf.spec
+++ b/libdwarf.spec
@@ -1,5 +1,5 @@
 Name:          libdwarf
-Version:       20200114
+Version:       20201020
 Release:       1
 Summary:       Library to access DWARF debugging information
 License:       LGPLv2
@@ -72,6 +72,9 @@ LD_LIBRARY_PATH=$PWD/libdwarf/.libs %__make check
 %{_mandir}/man1/dwarfdump.1.gz
 
 %changelog
+* Tue Oct 27 2020 orange-snn<songnannan2@huawei.com> - 20201020-1
+- update to 20201020
+
 * Fri Jun 21 2020 hanhui<hanhui15@huawei.com> - 20200114
 - Mainline branch update to 20200114