diff --git a/README.md b/README.md
index 9c57069..ca0d3c8 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 Lightweight macOS progress indicator that displays real-time updates from log files in a native floating window.
 
+Requires macOS 13 or later.
+
 ## Installation
 
 ### Via Homebrew (Recommended)