diff --git a/Library/Homebrew/macos.rb b/Library/Homebrew/macos.rb
index 1565449ee0..95bdfeddab 100644
--- a/Library/Homebrew/macos.rb
+++ b/Library/Homebrew/macos.rb
@@ -190,7 +190,8 @@ module MacOS extend self
     "4.3.3" => {:llvm_build_version=>2336, :clang_version=>"3.1", :clang_build_version=>318},
     "4.4" => {:llvm_build_version=>2336, :clang_version=>"4.0", :clang_build_version=>421},
     "4.4.1" => {:llvm_build_version=>2336, :clang_version=>"4.0", :clang_build_version=>421},
-    "4.5" => {:llvm_build_version=>2336, :clang_version=>"4.1", :clang_build_version=>421}
+    "4.5" => {:llvm_build_version=>2336, :clang_version=>"4.1", :clang_build_version=>421},
+    "4.5.1" => {:llvm_build_version=>2336, :clang_version=>"4.1", :clang_build_version=>421}
   }
 
   def compilers_standard?