diff --git a/Building-for-macOS.md b/Building-for-macOS.md
index 0cb5cb2..eafb280 100644
--- a/Building-for-macOS.md
+++ b/Building-for-macOS.md
@@ -1,3 +1,5 @@
+**Note: Mac OS is no longer supported due to Apple deprecating OpenGL and their current version not supporting the OpenGL extensions we require.**
+
 ### Dependencies
 
 It's recommended that you use [Homebrew](http://brew.sh/) to install dependencies.