diff --git a/zchunk-1.1.15.tar.gz b/zchunk-1.1.15.tar.gz
deleted file mode 100644
index eac7df0..0000000
Binary files a/zchunk-1.1.15.tar.gz and /dev/null differ
diff --git a/zchunk-1.2.1.tar.gz b/zchunk-1.2.1.tar.gz
new file mode 100644
index 0000000..d0c92fe
Binary files /dev/null and b/zchunk-1.2.1.tar.gz differ
diff --git a/zchunk.spec b/zchunk.spec
index 542a076..ab68ebf 100644
--- a/zchunk.spec
+++ b/zchunk.spec
@@ -1,5 +1,5 @@
 Name:           zchunk
-Version:        1.1.15
+Version:        1.2.1
 Release:        1
 Summary:        Compressed file format that allows easy deltas
 License:        BSD-2
@@ -72,5 +72,8 @@ install contrib/gen_xml_dictionary %{buildroot}%{_libexecdir}/zck_gen_xml_dictio
 %{_includedir}/zck.h
 
 %changelog
+* Wed Apr 20 2022 duyiwei <duyiwei@kylinos.cn> - 1.2.1-1
+- upgrade to 1.2.1
+
 * Wed Jan 5 2022 duyiwei <duyiwei@kylinos.cn> - 1.1.15-1
 - Package init