diff --git a/lua.spec b/lua.spec
index c943b9187b4a61ebe44a01c7c82b061037619f2c..dcad8f9e1762cd36ee704045702da2e5ebc47ad8 100644
--- a/lua.spec
+++ b/lua.spec
@@ -6,7 +6,7 @@
 
 Name:           lua
 Version:        5.4.3
-Release:        11
+Release:        12
 Summary:        A powerful, efficient, lightweight, embeddable scripting language
 License:        MIT
 URL:            http://www.lua.org/
@@ -159,6 +159,9 @@ LD_LIBRARY_PATH=$RPM_BUILD_ROOT/%{_libdir} $RPM_BUILD_ROOT/%{_bindir}/lua -e"_U=
 %{_mandir}/man1/lua*.1*
 
 %changelog
+* Wed Apr 26 2023 yeqinglong <yeqinglong@kylinsec.com.cn> - 5.4.3-12
+- add support for sw_64
+
 * Tue Apr 18 2023 chenziyang <chenziyang4@huawei.com> - 5.4.3-11
 - fix CVE-2021-45985 and other commits because CVE change heavily rely on these commits
 
diff --git a/luaconf.h b/luaconf.h
index f7ebe97baaafc76439c5a6cac8c3c2cdc0220d03..88a38f483b31eac29e809b2cebac3275fc7953f0 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -38,6 +38,8 @@
 #include "luaconf-arm.h"
 #elif defined(__alpha__)
 #include "luaconf-alpha.h"
+#elif defined(__sw_64__)
+#include "luaconf-sw_64.h"
 #elif defined(__sparc__) && defined (__arch64__)
 #include "luaconf-sparc64.h"
 #elif defined(__sparc__)