diff --git a/Library/Homebrew/os/mac.rb b/Library/Homebrew/os/mac.rb
index 4f3b153c84..1eda67bfaa 100644
--- a/Library/Homebrew/os/mac.rb
+++ b/Library/Homebrew/os/mac.rb
@@ -45,7 +45,7 @@ module OS
     sig { returns(::Version) }
     def latest_sdk_version
       # TODO: bump version when new Xcode macOS SDK is released
-      ::Version.new("11.1")
+      ::Version.new("11.3")
     end
     private :latest_sdk_version