diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd6cb93..150e83b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ endif()
 # macOS: universal binary (Apple Silicon + Intel) with minimum deployment target
 if(APPLE)
     set(CMAKE_OSX_ARCHITECTURES "arm64;x86_64" CACHE STRING "Build universal binary")
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum macOS version")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "15.0" CACHE STRING "Minimum macOS version")
 endif()
 
 # Platform info