diff --git a/lsof-4.99.4.tar.gz b/lsof-4.99.4.tar.gz
deleted file mode 100644
index 6547d27bc225c72c4dc444e7b157512c9ca4525a..0000000000000000000000000000000000000000
Binary files a/lsof-4.99.4.tar.gz and /dev/null differ
diff --git a/lsof-4.99.5.tar.gz b/lsof-4.99.5.tar.gz
new file mode 100644
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diff --git a/lsof.spec b/lsof.spec
index 7640b37ed4dfc0bd9f31149f9ca87a05f277dea8..dde963f99df999ff194ff37272b982182e2bb088 100644
--- a/lsof.spec
+++ b/lsof.spec
@@ -1,5 +1,5 @@
 Name:		lsof
-Version:	4.99.4
+Version:	4.99.5
 Release:	1
 Summary:	A tool for list open files
 License:	Zlib and Sendmail and LGPL-2.0-or-later
@@ -61,6 +61,11 @@ rm -rf %{buildroot}%{_mandir}/man8/lsof.8*
 %{_mandir}/man*/*
 
 %changelog
+* Mon Jul 21 2025 liuzhilin <liuzhilin@kylinos.cn> - 4.99.5-1
+- update version to 4.99.5
+- fix legacy linux kernel compatibility due to missing /proc/self/ns
+- fix potential null pointer deference
+
 * Wed Nov 20 2024 Funda Wang <fundawang@yeah.net> - 4.99.4-1
 - update version to 4.99.4
 - switch to autotools based build system per suggested by upstream