diff --git a/yajl.spec b/yajl.spec
index 6f122321df80057c320fc2592a4b85dd9762f3a0..48e35712125c03ebb03eab17be0e722459aae1b2 100644
--- a/yajl.spec
+++ b/yajl.spec
@@ -1,6 +1,9 @@
+%undefine __cmake_in_source_build
+%global _vpath_builddir build
+
 Name:           yajl
 Version:        2.1.0
-Release:        20
+Release:        21
 Summary:        Yet Another JSON Library
 License:        ISC
 URL:            https://github.com/lloyd/yajl
@@ -16,7 +19,8 @@ Patch7:         0007-add-cmake-option-for-test-and-binary.patch
 Patch8:         backport-CVE-2022-24795.patch
 Patch9:         yajl-assert-error-when-memory-allocation-failed.patch
 
-BuildRequires:  cmake gcc
+BuildRequires:  gcc
+BuildRequires:  cmake >= 3.4
 
 %description
 yajl is a small event-driven JSON parser written in ANSI C, and a small
@@ -25,6 +29,7 @@ validating JSON generator.
 %package        devel
 Summary:        Development files for %{name}
 Requires:       %{name} = %{version}-%{release}
+Conflicts:      yajl < 2.1.0-21
 
 %description    devel
 This package provides the libraries and includes
@@ -34,43 +39,34 @@ necessary for developing against the yajl library.
 %autosetup -n %{name}-%{version} -p1
 
 %build
-mkdir build
-cd build
-%cmake ..
-%make_build VERBOSE=1
+%cmake
+%cmake_build
 
 %install
-rm -rf $RPM_BUILD_ROOT
-cd build
-%make_install
+%cmake_install
 
 %check
-cd test/parsing
-./run_tests.sh
-cd ../api
-./run_tests.sh
+cd test
+(cd parsing && ./run_tests.sh)
+(cd api && ./run_tests.sh)
 
 %files
-%defattr(-,root,root)
-%doc COPYING README ChangeLog TODO
+%license COPYING
+%doc README ChangeLog TODO
 %{_bindir}/json_reformat
 %{_bindir}/json_verify
-
 %{_libdir}/libyajl.so.*
-%{_libdir}/libyajl.so
 
 %files devel
-%dir %{_includedir}/yajl
-%{_includedir}/yajl/yajl_common.h
-%{_includedir}/yajl/yajl_gen.h
-%{_includedir}/yajl/yajl_parse.h
-%{_includedir}/yajl/yajl_tree.h
-%{_includedir}/yajl/yajl_version.h
-
-%{_libdir}/pkgconfig/yajl.pc
+%{_includedir}/yajl
+%{_libdir}/libyajl.so
 %{_libdir}/libyajl_s.a
+%{_libdir}/pkgconfig/yajl.pc
 
 %changelog
+* Mon Nov 04 2024 Funda Wang <fundawang@yeah.net> - 2.1.0-21
+- adopt to new cmake macro
+
 * Wed Nov 16 2022 fuanan <fuanan3@h-partners.com> - 2.1.0-20
 - Modify Source0
 
diff --git a/yajl.yaml b/yajl.yaml
index ec970a37b6a7dfe4601863325503d221524da1e1..0d9180b0c3247a096f397383ec67be3f92a7f51c 100644
--- a/yajl.yaml
+++ b/yajl.yaml
@@ -1,4 +1,4 @@
 version_control: github
 src_repo: "lloyd/yajl"
 tag_prefix:
-seperator:
+sparator: