diff --git a/INSTALL-MAC b/INSTALL-MAC
index 2bde7a1ea..80c7fd589 100644
--- a/INSTALL-MAC
+++ b/INSTALL-MAC
@@ -40,7 +40,7 @@ required software the steps in section 1 will take approximately 1 hour.
 Make sure you have applied all the latest updates to Mac OS X. This can be
 found from the system menu, apple, about this mac, software update.
 
-This walkthrough was performed on a MacBook Air running 14.4 (Sonoma)
+This walkthrough was performed on a MacBook Air running 15.4 (Sequoia)
 
 1.2 Install XCode from App Store
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