diff --git a/cJSON-1.7.18-port-to-newer-cmake.patch b/cJSON-1.7.18-port-to-newer-cmake.patch
new file mode 100644
index 0000000000000000000000000000000000000000..70dc006c1f702e62209995ee1a94a4ee9e4dd426
--- /dev/null
+++ b/cJSON-1.7.18-port-to-newer-cmake.patch
@@ -0,0 +1,9 @@
+--- cJSON-1.7.18/CMakeLists.txt.orig	2025-03-01 23:29:15.917360200 +0800
++++ cJSON-1.7.18/CMakeLists.txt	2025-03-01 23:29:35.107497100 +0800
+@@ -1,5 +1,5 @@
+ set(CMAKE_LEGACY_CYGWIN_WIN32 0)
+-cmake_minimum_required(VERSION 3.0)
++cmake_minimum_required(VERSION 3.0...${CMAKE_VERSION})
+ 
+ project(cJSON
+     VERSION 1.7.18
diff --git a/cjson.spec b/cjson.spec
index a02bb3848fef08198e597e4d2db270e360c99daf..e84a480e11867831bc668c4c97fa9e287271bb2d 100644
--- a/cjson.spec
+++ b/cjson.spec
@@ -1,11 +1,12 @@
 Name:           cjson
 Version:        1.7.18
-Release:        2
+Release:        3
 Summary:        Ultralightweight JSON parser in ANSI C
  
 License:        MIT
 URL:            https://github.com/DaveGamble/cJSON
 Source0:        https://github.com/DaveGamble/cJSON/archive/refs/tags/v%{version}.tar.gz
+Patch0:         cJSON-1.7.18-port-to-newer-cmake.patch
  
 BuildRequires:  gcc
 BuildRequires:  cmake
@@ -45,6 +46,9 @@ developing applications that use cJSON.
 %{_includedir}/cjson/
 
 %changelog
+* Sat Mar 01 2025 Funda Wang <fundawang@yeah.net> - 1.7.18-3
+- try build with cmake 4.0
+
 * Mon Nov 04 2024 Funda Wang <fundawang@yeah.net> - 1.7.18-2
 - adopt to new cmake macro