diff --git a/cpp-httplib.spec b/cpp-httplib.spec
index 164be47adbef5f83ed833cdc2145ab5eb35f840b..f90f8a3d4af4002bbaa3bffe6b5f94651d91f65c 100644
--- a/cpp-httplib.spec
+++ b/cpp-httplib.spec
@@ -1,12 +1,12 @@
 Name:    cpp-httplib
-Version: 0.18.1
+Version: 0.18.3
 Release: 1
 Summary: A C++ header-only HTTP/HTTPS server and client library 
 License: MIT
 URL:	 https://github.com/yhirose/cpp-httplib
 Source0: https://github.com/yhirose/cpp-httplib/archive/refs/tags/v%{version}.tar.gz
 BuildRequires: gcc-c++
-BuildRequires: meson >= 0.62.0
+BuildRequires: cmake
 BuildRequires: pkgconfig(libcurl)
 BuildRequires: pkgconfig(gtest)
 BuildRequires: pkgconfig(libbrotlicommon)
@@ -37,16 +37,16 @@ Development files only.
 %autosetup -p1 -n %{name}-%{version}
 
 %build
-%meson -Dcpp-httplib_compile=true -Dcpp-httplib_test=true \
-       --buildtype=release
-%meson_build
+%cmake -DBUILD_SHARED_LIBS=ON -DHTTPLIB_COMPILE=ON -DHTTPLIB_TEST=ON
+%cmake_build
 
 %install
-%meson_install
+%cmake_install
+rm -r $RPM_BUILD_ROOT%{_docdir}/httplib
+rm -r $RPM_BUILD_ROOT%{_licensedir}/httplib
 
 %check
-export GTEST_FILTER='_Online$'
-%meson_test
+%ctest --parallel 1 --exclude-regex '_Online$'
 
 %files
 %license LICENSE
@@ -56,9 +56,19 @@ export GTEST_FILTER='_Online$'
 %doc README.md example
 %{_includedir}/httplib.h
 %{_libdir}/lib%{name}.so
-%{_libdir}/pkgconfig/%{name}.pc
+%{_libdir}/cmake/httplib
 
 %changelog
+* Thu Jan 16 2025 yaoxin <1024769339@qq.com> - 0.18.3-1
+- Update to 0.18.3:
+  * Regression: Client keep-alive subsequent requests very slow #1997
+  * 304 Not Modified response stalls until timeout #1998
+  * Fix the problem that CreateFile2 in mmap::open fails to … #1973
+  * Default Accept-Encoding header for the client #1975
+  * SSLClientReconnection fails on Windows #1980
+  * delay in keep_alive due to sleep #1969
+  * missing query pararm in httplib::Client::send #1985
+
 * Sun Nov 17 2024 Funda Wang <fundawang@yeah.net> - 0.18.1-1
 - update to 0.18.1
 
diff --git a/v0.18.1.tar.gz b/v0.18.1.tar.gz
deleted file mode 100644
index d58b628b7c0c08143a06014d9ffb9ee26f565907..0000000000000000000000000000000000000000
Binary files a/v0.18.1.tar.gz and /dev/null differ
diff --git a/v0.18.3.tar.gz b/v0.18.3.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..8834be4ba100e794bdf5297428712817f24b2688
Binary files /dev/null and b/v0.18.3.tar.gz differ