diff --git a/microcode-20240312.tar.gz b/microcode-20231114.tar.gz
similarity index 51%
rename from microcode-20240312.tar.gz
rename to microcode-20231114.tar.gz
index ac4478a..efd6032 100644
Binary files a/microcode-20240312.tar.gz and b/microcode-20231114.tar.gz differ
diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index 621db94..ccb195b 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -2,12 +2,12 @@
 
 Name:           microcode_ctl
 Summary:        Microcode update for CPU
-Version:        20240312
-Release:        1
+Version:        20231114
+Release:        2
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files
 ExclusiveArch:  %{ix86} x86_64 loongarch64 ppc64le
-Source0:        https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/tags/microcode-%{version}.tar.gz
+Source0:        https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/tags/microcode-20231114.tar.gz
 
 %description
 This is a tool to transform and deploy microcode update for x86 CPUs.
@@ -29,9 +29,6 @@ rm -rf intel-ucode
 /lib/firmware/*
 
 %changelog
-* Thu Mar 14 2024 wangkai <13474090681@163.com> - 20240312-1
-- Update to 20240312 for fix CVE-2023-38575
-
 * Mon Mar 4 2024 peng.zou <peng.zou@shingroup.cn> - 20231114-2
 - add ppc64le support