diff --git a/0001-botan2-uos-add-sw64-support.patch b/0001-botan2-uos-add-sw64-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..af42058f3160d8cb728957aba4bb74c50cf072fd
--- /dev/null
+++ b/0001-botan2-uos-add-sw64-support.patch
@@ -0,0 +1,37 @@
+From 189b83c5017a6eff44f0f49e503cf2bd2965e582 Mon Sep 17 00:00:00 2001
+From: root <root@localhost.localdomain>
+Date: Mon, 11 Nov 2024 11:36:50 +0800
+Subject: [PATCH] add sw64 support
+
+---
+ src/build-data/arch/sw_64.txt  | 3 +++
+ src/build-data/detect_arch.cpp | 3 +++
+ 2 files changed, 6 insertions(+)
+ create mode 100644 src/build-data/arch/sw_64.txt
+
+diff --git a/src/build-data/arch/sw_64.txt b/src/build-data/arch/sw_64.txt
+new file mode 100644
+index 0000000..af225c5
+--- /dev/null
++++ b/src/build-data/arch/sw_64.txt
+@@ -0,0 +1,3 @@
++family sw_64
++endian little
++wordsize 64
+diff --git a/src/build-data/detect_arch.cpp b/src/build-data/detect_arch.cpp
+index 3a4bf8e..c49d3b1 100644
+--- a/src/build-data/detect_arch.cpp
++++ b/src/build-data/detect_arch.cpp
+@@ -44,6 +44,9 @@
+ #elif defined(__alpha__)
+   ALPHA
+ 
++#elif defined(__sw_64__)
++  SW_64
++
+ #elif defined(__hppa__) || defined(__hppa)
+   HPPA
+ 
+-- 
+2.33.0
+
diff --git a/botan2.spec b/botan2.spec
index 2d55d747fd126a01aa40bea08af26fec11eb0a6a..118e88e4acaa1172fc526741d0aad8bd851ac45c 100644
--- a/botan2.spec
+++ b/botan2.spec
@@ -2,14 +2,15 @@
 
 Name:           botan2
 Version:        2.19.5
-Release:        2
+Release:        3
 Summary:        Crypto and TLS for C++11
 
 License:        BSD
 URL:            https://botan.randombit.net/
 Source0:        %{url}/releases/Botan-%{version}.tar.xz
 
-Patch01:    backport-CVE-2024-50382.patch
+Patch01:        backport-CVE-2024-50382.patch
+Patch02:        0001-botan2-uos-add-sw64-support.patch
 
 BuildRequires:  gcc-c++ python3 python3-devel python3-sphinx python-docutils
 BuildRequires:  bzip2-devel zlib-devel make
@@ -126,6 +127,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} ./botan-test
 
 
 %changelog
+* Mon Feb 17 2025 liweigang <liweiganga@uniontech.com> - 2.19.5-3
+- add sw_64 support
+
 * Fri Oct 25 2024 liningjie <liningjie@xfusion.com> - 2.19.5-2
 - Fix CVE-2024-50382