diff --git a/json-lib.spec b/json-lib.spec
index 961d767..1467652 100644
--- a/json-lib.spec
+++ b/json-lib.spec
@@ -1,6 +1,6 @@
 Name:           json-lib
 Version:        2.4
-Release:        20
+Release:        21
 Summary:        JSON library for Java
 License:        ASL 2.0
 URL:            http://json-lib.sourceforge.net/
@@ -95,10 +95,13 @@ cd -
 %license LICENSE.txt
 
 %changelog
+* Tue May 31 2022 loong_C <loong_c@yeah.net> - 2.4-21
+- update json-lib.spec
+
 * Mon Dec 27 2021 yaoxin <yaoxin30@huawei.com> - 2.4-20
 - This package depends on log4j.After the log4j vulnerability CVE-2021-45105 is fixed,the version needs to be rebuild.
 
-* Thu Dec 20 2021 wangkai <wangkai385@huawei.com> - 2.4-19
+* Mon Dec 20 2021 wangkai <wangkai385@huawei.com> - 2.4-19
 - This package depends on log4j.After the log4j vulnerability CVE-2021-44228 is fixed,the version needs to be rebuild.
 
 * Tue Feb 2 2021 wutao <wutao61@huawei.com> - 2.4-18