diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71dd308..769a75f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,9 +7,9 @@ include(ExternalProject)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 if(NOT IOS)
-set(CMAKE_OSX_DEPLOYMENT_TARGET "10.13")
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.11")
 else()
-set(CMAKE_OSX_DEPLOYMENT_TARGET "12.0")
+set(CMAKE_OSX_DEPLOYMENT_TARGET "9.0")
 endif()
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CROSS_HOST_TRIPLE "" CACHE STRING "Cross-compile target triple for Autotools (e.g., x86_64-linux-musl)")