diff --git a/zchunk-1.2.3.tar.gz b/zchunk-1.2.3.tar.gz
deleted file mode 100644
index f1d018b..0000000
Binary files a/zchunk-1.2.3.tar.gz and /dev/null differ
diff --git a/zchunk-1.3.1.tar.gz b/zchunk-1.3.1.tar.gz
new file mode 100644
index 0000000..687cbfd
Binary files /dev/null and b/zchunk-1.3.1.tar.gz differ
diff --git a/zchunk.spec b/zchunk.spec
index ed8104a..d1cc661 100644
--- a/zchunk.spec
+++ b/zchunk.spec
@@ -1,5 +1,5 @@
 Name:           zchunk
-Version:        1.2.3
+Version:        1.3.1
 Release:        1
 Summary:        Compressed file format that allows easy deltas
 License:        BSD-2-Clause
@@ -72,6 +72,9 @@ install contrib/gen_xml_dictionary %{buildroot}%{_libexecdir}/zck_gen_xml_dictio
 %{_includedir}/zck.h
 
 %changelog
+* Tue May 30 2023 duyiwei <duyiwei@kylinos.cn> - 1.3.1-1
+- upgrade version to 1.3.1
+
 * Mon Nov 07 2022 duyiwei <duyiwei@kylinos.cn> - 1.2.3-1
 - upgrade version to 1.2.3