diff --git a/Library/Homebrew/macos.rb b/Library/Homebrew/macos.rb
index d74dc33c05..13297a5ded 100644
--- a/Library/Homebrew/macos.rb
+++ b/Library/Homebrew/macos.rb
@@ -227,6 +227,7 @@ module MacOS extend self
     "4.6.2" => { :llvm_build => 2336, :clang => "4.2", :clang_build => 425 },
     "4.6.3" => { :llvm_build => 2336, :clang => "4.2", :clang_build => 425 },
     "5.0"   => { :clang => "5.0", :clang_build => 500 },
+    "5.0.1" => { :clang => "5.0", :clang_build => 500 },
   }
 
   def compilers_standard?
diff --git a/Library/Homebrew/os/mac/xcode.rb b/Library/Homebrew/os/mac/xcode.rb
index ed4882f2c6..5071eb2be6 100644
--- a/Library/Homebrew/os/mac/xcode.rb
+++ b/Library/Homebrew/os/mac/xcode.rb
@@ -28,7 +28,7 @@ module MacOS::Xcode extend self
     else
       # Default to newest known version of Xcode for unreleased OSX versions.
       if MacOS.version > 10.9
-        "5.0"
+        "5.0.1"
       else
         raise "Mac OS X '#{MacOS.version}' is invalid"
       end