diff --git a/kohsuke-pom.spec b/kohsuke-pom.spec
index 8c9f5fa..c96ff9e 100644
--- a/kohsuke-pom.spec
+++ b/kohsuke-pom.spec
@@ -1,5 +1,5 @@
 Name:                kohsuke-pom
-Version:             14
+Version:             21
 Release:             1
 Summary:             Kohsuke parent POM
 License:             MIT
@@ -30,5 +30,8 @@ cp %{SOURCE1} LICENSE
 %doc LICENSE
 
 %changelog
+* Thu Dec 14 2023 Ge Wang <wang__ge@126.com> - 21-1
+- update to version 21
+
 * Wed Jul 22 2020 wangchong <wangchong56@huawei.com> - 14-1
 - package init
diff --git a/pom-14.tar.gz b/pom-14.tar.gz
deleted file mode 100644
index 209f810..0000000
Binary files a/pom-14.tar.gz and /dev/null differ
diff --git a/pom-21.tar.gz b/pom-21.tar.gz
new file mode 100644
index 0000000..51c9c1d
Binary files /dev/null and b/pom-21.tar.gz differ