diff --git a/0001-add-secure-compile-option-in-Makefile.patch b/0001-add-secure-compile-option-in-Makefile.patch
index 4607a0644eed748d8d7c5ddcbaf30ba9d7b2bf8a..e6de4e857ce69d275e282dc6080c2e3789219580 100644
--- a/0001-add-secure-compile-option-in-Makefile.patch
+++ b/0001-add-secure-compile-option-in-Makefile.patch
@@ -2,13 +2,13 @@ diff --git a/CMakeLists.txt b/CMakeLists.txt
 index c62d7f9..b046e90 100644
 --- a/CMakeLists.txt
 +++ b/CMakeLists.txt
-@@ -38,6 +38,8 @@ set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH})
- 
+@@ -344,6 +344,8 @@ set(LWS_LIBRARY_VERSION_PATCH ${CPACK_PACKAGE_VERSION_PATCH})
  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
+
  
 +set(CMAKE_C_FLAGS "-Wl,-z,now ${CMAKE_C_FLAGS}")
 +
  message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
  
- # Try to find the current Git hash.
+ if(WIN32)
 
diff --git a/libwebsockets-2.4.2.tar.gz b/libwebsockets-2.4.2.tar.gz
deleted file mode 100644
index 6d9d0d6cff775459380411a44a712029ef0efa21..0000000000000000000000000000000000000000
Binary files a/libwebsockets-2.4.2.tar.gz and /dev/null differ
diff --git a/libwebsockets-4.0.1.tar.gz b/libwebsockets-4.0.1.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..1c7e2e4616617bf9e02f9b64f6fd88295f0c19f7
Binary files /dev/null and b/libwebsockets-4.0.1.tar.gz differ
diff --git a/libwebsockets-fix-coredump.patch b/libwebsockets-fix-coredump.patch
deleted file mode 100644
index 47e78086142e86b842c0b1e42e19450abf0702ad..0000000000000000000000000000000000000000
--- a/libwebsockets-fix-coredump.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/lib/context.c b/lib/context.c
-index 9f221f5..207b032 100644
---- a/lib/context.c
-+++ b/lib/context.c
-@@ -1109,7 +1109,7 @@ lws_create_context(struct lws_context_creation_info *info)
- 
- #if LWS_MAX_SMP > 1
- 	/* each thread serves his own chunk of fds */
--	for (n = 1; n < (int)info->count_threads; n++)
-+	for (n = 1; n < (int)context->count_threads; n++)
- 		context->pt[n].fds = context->pt[n - 1].fds +
- 				     context->fd_limit_per_thread;
- #endif
diff --git a/libwebsockets.spec b/libwebsockets.spec
index db69c84a6f419c81d994596f53d4638b56dc8ace..fc8cbec9f175fb1e62c6f863e796185a392e411c 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,14 +1,14 @@
 Name:           libwebsockets
-Version:        2.4.2
-Release:        3
+Version:        4.0.1
+Release:        1
 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
-Patch6000:      libwebsockets-fix-coredump.patch
+
 Patch9000:      0001-add-secure-compile-option-in-Makefile.patch
 
-BuildRequires:  cmake openssl-devel zlib-devel libev-devel git
+BuildRequires:  cmake openssl-devel zlib-devel libev-devel git libwebsockets
 
 Provides:       bundled(sha1-hollerbach) bundled(base64-decode) bundled(ssl-http2)
 
@@ -35,20 +35,43 @@ This package contains the header files needed for developing
 mkdir -p build
 cd build
 %cmake \
+    -D LWS_WITH_HTTP2=ON \
+    -D LWS_IPV6=ON \
+    -D LWS_WITH_ZIP_FOPS=ON \
+    -D LWS_WITH_SOCKS5=ON \
+    -D LWS_WITH_RANGES=ON \
+    -D LWS_WITH_ACME=ON \
+    -D LWS_WITH_LIBUV=OFF \
+    -D LWS_WITH_LIBEV=OFF \
+    -D LWS_WITH_LIBEVENT=OFF \
+    -D LWS_WITH_FTS=ON \
+    -D LWS_WITH_THREADPOOL=ON \
+    -D LWS_UNIX_SOCK=ON \
+    -D LWS_WITH_HTTP_PROXY=ON \
+    -D LWS_WITH_DISKCACHE=ON \
+    -D LWS_WITH_LWSAC=ON \
     -D LWS_LINK_TESTAPPS_DYNAMIC=ON \
-    -D LWS_USE_LIBEV=OFF \
     -D LWS_WITHOUT_BUILTIN_GETIFADDRS=ON \
     -D LWS_USE_BUNDLED_ZLIB=OFF \
     -D LWS_WITHOUT_BUILTIN_SHA1=ON \
     -D LWS_WITH_STATIC=OFF \
-    -D LWS_MAX_SMP=32 \
-    -D CMAKE_BUILD_TYPE=Debug \
+    -D LWS_WITHOUT_CLIENT=OFF \
+    -D LWS_WITHOUT_SERVER=OFF \
+    -D LWS_WITHOUT_TESTAPPS=OFF \
+    -D LWS_WITHOUT_TEST_SERVER=ON \
+    -D LWS_WITHOUT_TEST_SERVER_EXTPOLL=ON \
+    -D LWS_WITHOUT_TEST_PING=ON \
+    -D LWS_WITHOUT_TEST_CLIENT=ON \
     ..
+
 %make_build
 
 %install
 cd build
 %make_install
+
+cp -a %{_libdir}/libwebsockets.so.12* %{buildroot}%{_libdir}
+
 %delete_la_and_a
 find %{buildroot} -name '*.cmake' -exec rm -f {} ';'
 find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
@@ -63,6 +86,7 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %files devel
 %defattr(-,root,root)
 %{_includedir}/*.h
+%{_includedir}/%{name}
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/*.pc
 %{_bindir}/%{name}-test-*
@@ -74,6 +98,12 @@ find %{buildroot} -name '*_static.pc' -exec rm -f {} ';'
 %doc changelog README.md READMEs/
 
 %changelog
+* Mon May 11 2020 openEuler Buildteam <buildteam@openeuler.org> - 4.0.1-1
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC:update to 4.0.1
+
 * Tue Jan 21 2020 openEuler Buildteam <buildteam@openeuler.org> - 2.4.2-3
 - Type:bugfix
 - ID:NA