diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index 2cf00adcb25ec4b820b211d0aaa1f0e644dfe9ce..395c57bd816cb5f36f984e44bc2e94670aa02bb9 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -4,10 +4,10 @@
 Name:           microcode_ctl
 Summary:        Microcode update for CPU
 Version:        2.1
-Release:        37
+Release:        38
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            https://pagure.io/microcode_ctl
-ExclusiveArch:  %{ix86} x86_64
+ExclusiveArch:  %{ix86} x86_64 loongarch64
 Source0:        https://releases.pagure.org/microcode_ctl/%{name}-%{upstream_version}.tar.xz
 
 %description
@@ -27,6 +27,9 @@ make DESTDIR=%{buildroot} PREFIX=%{_prefix} INSDIR=/usr/sbin install clean
 %doc /usr/share/doc/microcode_ctl/*
 
 %changelog
+* Mon Nov 14 2022 zhaozhen <zhaozhen@loongson.cn> - 2.1-38
+- add loongarch support
+
 * Fri Sep 23 2022 luopihui <luopihui@Ncti-gba.cn> - 2.1-37
 - Upgrade to 2.1-37
 - Fix CVE-2022-21233