diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d7bfc891..40886ced8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,7 +22,7 @@ option(SAMAPI_EXPORT "Export of ssc binaries to the SAM_api directory; for Unix,
 #
 
 if(APPLE)
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "12" CACHE STRING "Minimum OS X deployment version")
 endif()
 
 if (UNIX AND NOT CMAKE_C_COMPILER)
@@ -102,7 +102,7 @@ function(set_default_compile_options target)
         endif()
     endif()
     if (SAMAPI_EXPORT AND APPLE)
-        SET(MAIN_CFLAGS "${MAIN_CFLAGS} -mmacosx-version-min=10.15" )
+        SET(MAIN_CFLAGS "${MAIN_CFLAGS} -mmacosx-version-min=12" )
     endif()
     set_target_properties(${target} PROPERTIES COMPILE_FLAGS ${MAIN_CFLAGS})
 endfunction()
diff --git a/solarpilot/CMakeLists.txt b/solarpilot/CMakeLists.txt
index a16563561..7aabd7775 100644
--- a/solarpilot/CMakeLists.txt
+++ b/solarpilot/CMakeLists.txt
@@ -7,7 +7,7 @@
 set(CMAKE_VERBOSE_MAKEFILE ON)
 
 if(APPLE)
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version")
+    set(CMAKE_OSX_DEPLOYMENT_TARGET "12" CACHE STRING "Minimum OS X deployment version")
 endif()
 
 
diff --git a/ssc/CMakeLists.txt b/ssc/CMakeLists.txt
index 84685a432..a6bd362d0 100644
--- a/ssc/CMakeLists.txt
+++ b/ssc/CMakeLists.txt
@@ -220,7 +220,7 @@ if(UNIX)
 		set_property(TARGET ssc PROPERTY PREFIX "lib")
 		set(CMAKE_SHARED_LIBRARY_SUFFIX ".so")
 		if (APPLE)
-            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.15")
+            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=12")
             add_custom_command(
 				TARGET ssc
 				POST_BUILD