diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4719a26..79afc35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 4.2)
 project(image2rtsp)
 
 # Default to C99