diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index d5c636942a..a76db70c61 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -13,7 +13,7 @@ module OS
         when "10.6"  then "3.2.6"
         when "10.7"  then "4.6.3"
         when "10.8"  then "5.1.1"
-        when "10.9"  then "6.0.1"
+        when "10.9"  then "6.1"
         when "10.10" then "6.1"
         else
           # Default to newest known version of Xcode for unreleased OSX versions.
@@ -161,7 +161,7 @@ module OS
       def latest_version
         case MacOS.version
         when "10.10" then "600.0.54"
-        when "10.9"  then "600.0.51"
+        when "10.9"  then "600.0.54"
         when "10.8"  then "503.0.40"
         else
           "425.0.28"