diff --git a/sanlock-3.9.4.tar.gz b/sanlock-3.9.4.tar.gz
deleted file mode 100644
index 8e540fe71b74a9bd068f732c71f80770dd843b22..0000000000000000000000000000000000000000
Binary files a/sanlock-3.9.4.tar.gz and /dev/null differ
diff --git a/sanlock-4.0.0.tar.gz b/sanlock-4.0.0.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..625c8e436fc3ad0728abe9b6f5a4aa1e08a6fd75
Binary files /dev/null and b/sanlock-4.0.0.tar.gz differ
diff --git a/sanlock.spec b/sanlock.spec
index 419e7bd16d097397daab59bc7f2eaaa5ff002d14..df69d33198a3227a4d98aa307280f5f5f7787f39 100644
--- a/sanlock.spec
+++ b/sanlock.spec
@@ -1,5 +1,5 @@
 Name:             sanlock
-Version:          3.9.4
+Version:          4.0.0
 Release:          1
 Summary:          A shared storage lock manager
 License:          GPL-2.0-only AND GPL-2.0-or-later AND LGPL-2.0-or-later
@@ -156,6 +156,9 @@ getent passwd sanlock > /dev/null || /usr/sbin/useradd \
 
 
 %changelog
+* Wed Sep 24 2025 xu_ping <707078654@qq.com> - 4.0.0-1
+- Upgrade version to 4.0.0
+
 * Fri Oct 11 2024 yaoxin <yao_xin001@hoperun.com> - 3.9.4-1
 - Update to 3.9.4:
   * Make the watchdog timeout configurable