diff --git a/microcode_ctl-2.1-31.tar.xz b/microcode_ctl-2.1-31.tar.xz
deleted file mode 100644
index 8c3d11c..0000000
Binary files a/microcode_ctl-2.1-31.tar.xz and /dev/null differ
diff --git a/microcode_ctl-2.1-33.tar.xz b/microcode_ctl-2.1-33.tar.xz
new file mode 100644
index 0000000..a065c6d
Binary files /dev/null and b/microcode_ctl-2.1-33.tar.xz differ
diff --git a/microcode_ctl.spec b/microcode_ctl.spec
index e7c4961..80541d3 100644
--- a/microcode_ctl.spec
+++ b/microcode_ctl.spec
@@ -1,10 +1,10 @@
 %global debug_package %{nil}
-%define upstream_version 2.1-31
+%define upstream_version 2.1-33
 
 Name:           microcode_ctl
 Summary:        Microcode update for CPU
 Version:        2.1
-Release:        28
+Release:        33
 License:        GPLv2+ and Redistributable, no modification permitted
 URL:            https://pagure.io/microcode_ctl
 ExclusiveArch:  %{ix86} x86_64
@@ -27,6 +27,9 @@ make DESTDIR=%{buildroot} PREFIX=%{_prefix} INSDIR=/usr/sbin install clean
 %doc /usr/share/doc/microcode_ctl/*
 
 %changelog
+* Thu Sep 23 2021 yaoxin <yaoxin30@huawei.com> - 2.1-33
+- update version to 2.1-33, fix CVE-2020-24511 CVE-2020-24512
+
 * Mon Dec 14 2020 zhanghua <zhanghua40@huawei.com> - 2.1-28
 - update version to 2.1-31, fix CVE-2020-8695, CVE-2020-8696, CVE-2020-8698