diff --git a/README.md b/README.md
index 4216051..0f348e2 100644
--- a/README.md
+++ b/README.md
@@ -463,6 +463,7 @@ And `self.SafeAreaBottom` returns, `self.bottomLayoutGuide.topAnchor`.
 - Xcode 9 or greater
 - iOS 8.0 or greater
 - tvOS 10.0 or greater
+- macOS 10.11 or greater
 
 ## Author