diff --git a/libwebsockets.spec b/libwebsockets.spec
index 1a402363d4e11fc90af03a185f98fe6fc3d0b002..17f7a4e4db4be8c524b670404ec0beb6da2dc612 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,6 +1,6 @@
 Name:           libwebsockets
 Version:        4.0.20
-Release:        6
+Release:        7
 Summary:        A lightweight C library for Websockets
 License:        LGPLv2 and Public Domain and BSD and MIT and zlib
 URL:            https://libwebsockets.org
@@ -11,7 +11,7 @@ Patch9001:	0002-cmake-remove-unused-headfile-directory.patch
 Patch9002:	0003-add-fs-secure-compile-options.patch
 Patch9003:	0004-solve-the-BEP-problem.patch
 
-BuildRequires:  cmake openssl-devel zlib-devel libev-devel git
+BuildRequires:  cmake openssl-devel zlib-devel libev-devel git gcc gcc-c++
 
 Provides:       bundled(sha1-hollerbach) bundled(base64-decode) bundled(ssl-http2)
 
@@ -99,6 +99,12 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %doc changelog README.md READMEs/
 
 %changelog
+* Mon 28 Jun 2021 lifeng <lifeng68@huawei.com> - 4.0.20-7
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: add build require gcc and gcc-c++
+
 * Mon 10 May 2021 wujing <wujing50@huawei.com> - 4.0.20-6
 - Type:bugfix
 - ID:NA