diff --git a/libbytesize-2.4.tar.gz b/libbytesize-2.4.tar.gz
deleted file mode 100644
index 60935b7..0000000
Binary files a/libbytesize-2.4.tar.gz and /dev/null differ
diff --git a/libbytesize-2.6.tar.gz b/libbytesize-2.6.tar.gz
new file mode 100644
index 0000000..a331c54
Binary files /dev/null and b/libbytesize-2.6.tar.gz differ
diff --git a/libbytesize.spec b/libbytesize.spec
index 8cf9665..90e3515 100644
--- a/libbytesize.spec
+++ b/libbytesize.spec
@@ -3,8 +3,8 @@
 %define with_tools      1
 
 Name:           libbytesize
-Version:        2.4
-Release:        2
+Version:        2.6
+Release:        1
 Summary:        A library for working with sizes in bytes
 License:        LGPLv2+
 URL:            https://github.com/storaged-project/libbytesize
@@ -112,6 +112,12 @@ find %{buildroot} -type f -name "*.la" -delete
 %endif
 
 %changelog
+* Tue Nov 30 2021 panxiaohe<panxiaohe@huawei.com> - 2.6-1
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:update version to 2.6
+
 * Thu Jul 22 2021 panxiaohe <panxiaohe@huawei.com> - 2.4-2
 - remove unnecessary BuildRequires: gdb