diff --git a/keyutils.spec b/keyutils.spec
index d8a6abc88e02bcd5c81c121a887bc4eb96d431c0..7cf81e25b167e39e161f09f91a664c16e4493b9c 100644
--- a/keyutils.spec
+++ b/keyutils.spec
@@ -1,6 +1,6 @@
 Name:    keyutils
 Version: 1.6.3
-Release: 2
+Release: 3
 Summary: Utilities of Linux Key Management
 License: GPLv2+ and LGPLv2+
 
@@ -9,7 +9,7 @@ Source0: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/keyutils.git/s
 
 Patch9000: bugfix-fix-argv-string-out-of-bounds.patch
 
-BuildRequires: gcc gdb
+BuildRequires: gcc gcc-c++ gdb
 BuildRequires: glibc-kernheaders >= 2.4-9.1.92
 Requires: %{name}-libs = %{version}-%{release}
 
@@ -96,6 +96,9 @@ make \
 %{_mandir}/man*/*
 
 %changelog
+* Wed Jun 2 2021 steven <steven_ygui@163.com> - 1.6.3-3
+- add build require of gcc-c++
+
 * Mon Sep 14 2020 steven <steven_ygui@163.com> - 1.6.3-2
 - update url and source0, and let it can be accessed