diff --git a/100-python-ujson-uos-add-sw_64-support.patch b/100-python-ujson-uos-add-sw_64-support.patch
new file mode 100644
index 0000000..9e76810
--- /dev/null
+++ b/100-python-ujson-uos-add-sw_64-support.patch
@@ -0,0 +1,25 @@
+From 540452f5999168de7f8efd3c3e26cc69e9f094bd Mon Sep 17 00:00:00 2001
+From: root <root@localhost.localdomain>
+Date: Thu, 12 Dec 2024 11:13:16 +0800
+Subject: [PATCH] add sw_64 support
+
+---
+ deps/double-conversion/double-conversion/utils.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/deps/double-conversion/double-conversion/utils.h b/deps/double-conversion/double-conversion/utils.h
+index 7830972..46a1a2a 100644
+--- a/deps/double-conversion/double-conversion/utils.h
++++ b/deps/double-conversion/double-conversion/utils.h
+@@ -77,7 +77,7 @@ inline void abort_noreturn() { abort(); }
+     defined(__SH4__) || defined(__alpha__) || \
+     defined(_MIPS_ARCH_MIPS32R2) || \
+     defined(__AARCH64EL__) || defined(__aarch64__) || defined(_M_ARM64) || \
+-    defined(__riscv) || defined(__loongarch64)
++    defined(__riscv) || defined(__loongarch64) || defined(__sw_64__)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(__mc68000__)
+ #undef DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS
+-- 
+2.33.0
+
diff --git a/python-ujson.spec b/python-ujson.spec
index ccc8932..d1dfc80 100644
--- a/python-ujson.spec
+++ b/python-ujson.spec
@@ -1,7 +1,7 @@
 %global _empty_manifest_terminate_build 0
 Name:           python-ujson
 Version:        5.1.0
-Release:        4
+Release:        5
 Summary:        Ultra fast JSON encoder and decoder for Python
 License:        BSD
 URL:            https://github.com/ultrajson/ultrajson
@@ -10,6 +10,7 @@ Source0:        https://files.pythonhosted.org/packages/92/4a/2676677f5970951756
 Patch0001:      fix-CVE-2022-31116.patch
 Patch0002:      fix-CVE-2022-31117.patch
 Patch0003:      0001-ujson-5.1.0-add-support-for-loongarch64.patch
+Patch0004:      100-python-ujson-uos-add-sw_64-support.patch
 
 %description
 UltraJSON is an ultra fast JSON encoder and decoder written in pure C with bindings for Python 3.6+
@@ -80,6 +81,9 @@ mv %{buildroot}/doclist.lst .
 %{_docdir}/*
 
 %changelog
+* Thu Feb 27 2025 zhangshaoning <zhangshaoning@uniontech.com> - 5.1.0-5
+- Add sw_64 support
+
 * Tue Nov 7 2023 doupengda <doupengda@loongson.cn> -5.1.0-4
 - add support for loongarch64