diff --git a/spawn-fcgi-1.6.5.tar.gz b/spawn-fcgi-1.6.5.tar.gz
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diff --git a/spawn-fcgi-1.6.6.tar.gz b/spawn-fcgi-1.6.6.tar.gz
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diff --git a/spawn-fcgi.spec b/spawn-fcgi.spec
index b8aae9f7d103ff7bd2deba3146c57a4fad6749b7..61b9dc33068a2fda972112af2a7d5c3d28c7bb62 100644
--- a/spawn-fcgi.spec
+++ b/spawn-fcgi.spec
@@ -1,6 +1,6 @@
 Summary:             Simple program for spawning FastCGI processes
 Name:                spawn-fcgi
-Version:             1.6.5
+Version:             1.6.6
 Release:             1
 License:             BSD-3-Clause
 URL:                 https://github.com/lighttpd/spawn-fcgi
@@ -10,6 +10,7 @@ Source2:             spawn-fcgi.sysconfig
 Requires(post):      /sbin/chkconfig
 Requires(preun):     /sbin/service, /sbin/chkconfig
 BuildRequires:       gcc autoconf automake
+BuildRequires:       meson
 
 %description
 This package contains the spawn-fcgi program used for spawning FastCGI
@@ -19,21 +20,15 @@ processes, which can be local or remote.
 %autosetup -n spawn-fcgi-%{name}-%{version}
 
 %build
-./autogen.sh
-./configure
-%{__make} %{?_smp_mflags}
+%meson
+%meson_build
 
 %install
-%{__rm} -rf %{buildroot}
-%{__make} install DESTDIR=%{buildroot}
+%meson_install
 %{__install} -D -p -m 0755 %{SOURCE1} \
     %{buildroot}%{_sysconfdir}/init.d/spawn-fcgi
 %{__install} -D -p -m 0600 %{SOURCE2} \
     %{buildroot}%{_sysconfdir}/sysconfig/spawn-fcgi
-mkdir -p %{buildroot}%{_bindir}
-mv %{buildroot}%{_usr}/local/bin/spawn-fcgi %{buildroot}%{_bindir}
-mkdir -p %{buildroot}%{_mandir}/man1/
-mv %{buildroot}%{_usr}/local/share/man/man1/spawn-fcgi.1* %{buildroot}%{_mandir}/man1/
 
 %post
 /sbin/chkconfig --add spawn-fcgi
@@ -52,6 +47,11 @@ fi
 %{_mandir}/man1/spawn-fcgi.1*
 
 %changelog
+* Thu Oct 30 2025 yaoxin <1024769339@qq.com> - 1.6.6-1
+- Update to 1.6.6:
+  * Use meson instead of autotools and cmake
+  * Simplify/reduce configure checks and #ifdefs
+
 * Wed Oct 25 2023 liyanan <liyanan61@h-parners.com> - 1.6.5-1
 - Update to 1.6.5