diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2ca768e..0afa12c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -176,7 +176,7 @@ endmacro()
 if("${PLATFORM}" MATCHES "osx")
 	# specify the min version of the target platform (only GitHub Actions)
 	if(DEFINED ENV{GITHUB_WORKSPACE})
-		set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15")
+ 		set(CMAKE_OSX_DEPLOYMENT_TARGET 10.15 CACHE STRING "Minimum macOS version the build will be able to run on" FORCE)
 	endif()
 
 	# add specific prefix paths