diff --git a/libbytesize-2.6.tar.gz b/libbytesize-2.6.tar.gz
deleted file mode 100644
index a331c54..0000000
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diff --git a/libbytesize-2.7.tar.gz b/libbytesize-2.7.tar.gz
new file mode 100644
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diff --git a/libbytesize.spec b/libbytesize.spec
index b4ae745..79e9350 100644
--- a/libbytesize.spec
+++ b/libbytesize.spec
@@ -3,8 +3,8 @@
 %define with_tools      1
 
 Name:           libbytesize
-Version:        2.6
-Release:        2
+Version:        2.7
+Release:        1
 Summary:        A library for working with sizes in bytes
 License:        LGPLv2+
 URL:            https://github.com/storaged-project/libbytesize
@@ -116,6 +116,9 @@ make check
 %endif
 
 %changelog
+* Thu Jan 19 2023 gaoruoshu <gaoruoshu@huawei.com> - 2.7-1
+- update version to 2.7
+
 * Tue Jul 12 2022 panxiaohe <panxh.life@foxmail.com> - 2.6-2
 - enable check test suite