diff --git a/re2.spec b/re2.spec
index d2401aaed8fa8b45b177606b32f2526113f9aac4..edf2ad20e7b766dfb3e241c51055914a560bc96b 100644
--- a/re2.spec
+++ b/re2.spec
@@ -1,12 +1,16 @@
 Name:           re2
 Version:        20240702
-Release:        1
+Release:        2
 Summary:        Provide backtracking RE engine
-License:        BSD
-URL:            http://github.com/google/re2/
+License:        BSD-3-Clause
+URL:            https://github.com/google/re2/
 Source0:        https://github.com/google/re2/archive/re2-2024-07-02.tar.gz
 Patch1:         add-some-testcases-for-abnormal-branches.patch
-BuildRequires:  gcc-c++ abseil-cpp-devel
+BuildRequires:  gcc-c++
+BuildRequires:  cmake >= 3.13
+BuildRequires:  ninja-build
+BuildRequires:  abseil-cpp-devel
+BuildRequires:  libicu-devel
 
 %description
 RE2 is a fast, safe, thread-friendly alternative to backtracking regular
@@ -24,34 +28,30 @@ If you want to develop programs using re2, you need to install re2-devel.
 %autosetup -n %{name}-2024-07-02 -p1
 
 %build
-sed -i 's/RE2_LDFLAGS?=-pthread/RE2_LDFLAGS?=-pthread -Wl,--as-needed/g' Makefile
-%make_build CXXFLAGS="${CXXFLAGS:-%optflags} -pthread -std=c++17" \
-            LDFLAGS="${LDFLAGS:-%__global_ldflags} -pthread" \
-            includedir=%{_includedir} libdir=%{_libdir}
+%cmake \
+    -DRE2_BUILD_TESTING:BOOL=OFF \
+    -DRE2_USE_ICU:BOOL=ON \
+    -GNinja
+%cmake_build
 
 %install
-%make_install includedir=%{_includedir} libdir=%{_libdir}
-
-%check
-export LD_LIBRARY_PATH=%{buildroot}/%{_libdir}:LD_LIBRARY_PATH
-%ctest || true
-
-%post
-/sbin/ldconfig
-
-%postun
-/sbin/ldconfig
+%cmake_install
 
 %files
-%doc README LICENSE
+%license LICENSE
+%doc README
 %{_libdir}/lib%{name}.so.*
 
 %files devel
 %{_includedir}/%{name}
-%{_libdir}/{lib%{name}.so,pkgconfig/%{name}.pc}
-%exclude %{_libdir}/libre2.a
+%{_libdir}/lib%{name}.so
+%{_libdir}/cmake/re2
+%{_libdir}/pkgconfig/%{name}.pc
 
 %changelog
+* Sun May 11 2025 Funda Wang <fundawang@yeah.net> - 20240702-2
+- build with cmake
+
 * Mon Nov 04 2024 zhangxianjun <zhangxianjun@kylinos.cn> - 20240702-1
 - update to 20240702