diff --git a/0002-cmake-remove-unused-headfile-directory.patch b/0002-cmake-remove-unused-headfile-directory.patch
new file mode 100644
index 0000000000000000000000000000000000000000..a9f8027640d252db8d88a40fc8855bdacb3e3455
--- /dev/null
+++ b/0002-cmake-remove-unused-headfile-directory.patch
@@ -0,0 +1,26 @@
+From 6fa880a9d4f61ecfc6ccacb408e8c96e0c11b813 Mon Sep 17 00:00:00 2001
+From: Li Feng <lifeng2221dd1@zoho.com.cn>
+Date: Fri, 19 Feb 2021 11:24:16 +0800
+Subject: [PATCH] cmake: remove unused headfile directory
+
+Signed-off-by: Li Feng <lifeng2221dd1@zoho.com.cn>
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 2b9ffec..822a041 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -415,7 +415,7 @@ if (LWS_WITH_MBEDTLS)
+ 	include_directories(lib/tls/mbedtls/wrapper/include)
+ endif()
+ 
+-include_directories(include plugins lib/core lib/core-net lib/event-libs include/abstract lib/tls lib/roles lib/event-libs/libuv lib/event-libs/poll lib/event-libs/libevent lib/event-libs/glib lib/event-libs/libev lib/jose/jwe lib/jose/jws lib/jose lib/misc lib/roles/http lib/roles/http/compression lib/roles/h1 lib/roles/h2 lib/roles/ws lib/roles/cgi lib/roles/dbus lib/roles/raw-proxy lib/abstract lib/system/async-dns lib/roles/mqtt)
++include_directories(include plugins lib/core lib/core-net lib/event-libs lib/tls lib/roles lib/event-libs/libuv lib/event-libs/poll lib/event-libs/libevent lib/event-libs/glib lib/event-libs/libev lib/jose/jwe lib/jose/jws lib/jose lib/misc lib/roles/http lib/roles/http/compression lib/roles/h1 lib/roles/h2 lib/roles/ws lib/roles/cgi lib/roles/dbus lib/roles/raw-proxy lib/abstract lib/system/async-dns lib/roles/mqtt)
+ 
+ if (LWS_WITH_SECURE_STREAMS)
+ 	set(LWS_WITH_SECURE_STREAMS_SYS_AUTH_API_AMAZON_COM 1)
+-- 
+2.25.1
+
diff --git a/libwebsockets.spec b/libwebsockets.spec
index 9cea47027d86928455d7c935c60b4b320b576870..fa8016745fe0924701ec69ce8b43d6924bb5fac7 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,12 +1,13 @@
 Name:           libwebsockets
 Version:        4.0.20
-Release:        3
+Release:        4
 Summary:        A lightweight C library for Websockets
 License:        LGPLv2 and Public Domain and BSD and MIT and zlib
 URL:            https://libwebsockets.org
 Source0:        https://github.com/warmcat/libwebsockets/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
 Patch9000:      0001-add-secure-compile-option-in-Makefile.patch
+Patch9001:      0002-cmake-remove-unused-headfile-directory.patch
 
 BuildRequires:  cmake openssl-devel zlib-devel libev-devel git
 
@@ -96,6 +97,12 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %doc changelog README.md READMEs/
 
 %changelog
+* Fri 19 Feb 2021 lifeng <lifeng68@huawei.com> - 4.0.20-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: remove unused head file directory
+
 * Fri 20 Nov 2020 jikui <jikui2@huawei.com> - 4.0.20-3
 - Type:bugfix
 - ID:NA