Update README.md

Author: phpstatic

README.md

@@ -8,7 +8,9 @@ PHPStatic is immune to LD_PRELOAD preload attacks like [this](https://github.com
 
 Linux package need CPU support AVX.
 
-macOS package need CPU >= Sandy Bridge(2011), os >= 10.9(Mavericks), macOS package also work for VM with Penryn(+aes, +avx) CPU.
+macOS package need CPU >= Sandy Bridge(2011), os >= 10.13(High Sierra), macOS package also work for VM with Penryn(+aes, +avx) CPU.
+
+[maxOS >= 10.9 Mavericks](https://phpstatic.com/osx109/) package is not support any more, you can still use [old](https://phpstatic.com/osx109/) packages.
 
 # [docker](https://hub.docker.com/r/phpstatic/php)