diff --git a/mysql.spec b/mysql.spec
index f1a576def11d94994fff8519f96f138a1291357f..8b17e4f6de5fe84641b56a0fec5b616cecae01ba 100644
--- a/mysql.spec
+++ b/mysql.spec
@@ -1,4 +1,4 @@
-%undefine __cmake_in_source_build
+%global __cmake_in_source_build 1
 %global pkg_name %{name}
 %global pkgnamepatch mysql
 %{!?runselftest:%global runselftest 0}
@@ -30,7 +30,7 @@
 %global sameevr   %{?epoch:%{epoch}:}%{version}-%{release}
 Name:                mysql
 Version:             8.0.40
-Release:             4
+Release:             5
 Summary:             MySQL client programs and shared libraries
 URL:                 http://www.mysql.com
 License:             GPL-2.0-or-later AND LGPL-2.1-only AND BSL-1.0 AND GPL-1.0-or-later OR Artistic-1.0-Perl AND BSD-2-Clause
@@ -545,6 +545,9 @@ fi
 %{_mandir}/man1/mysql_config.1*
 
 %changelog
+* Thu Jan 16 2025 wangkai <13474090681@163.com> - 8.0.40-5
+- Fix force in-source build
+
 * Thu Nov 21 2024 zhouyi <zhouyi198@h-partners.com> - 8.0.40-4
 - Lfs url change