diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index 9dfdb0c5fa..7733d44088 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -163,7 +163,7 @@ module OS
 
       def latest_version
         case MacOS.version
-        when "10.12" then "800.0.24.1"
+        when "10.12" then "800.0.31"
         when "10.11" then "703.0.31"
         when "10.10" then "700.1.81"
         when "10.9"  then "600.0.57"