diff --git a/README b/README
index 8439a02f36..11a27f0d0c 100644
--- a/README
+++ b/README
@@ -28,7 +28,7 @@ What do I need to run LyX?
     Either:
     * a Unix-like system (including Windows with cygwin)
     * Windows 2000 or newer
-    * Mac OS 10.2 or newer
+    * Mac OS 10.4 or newer
 
     A decent LaTeX2e installation (e.g. TeX Live for Linux, MikTeX for
     Windows).