diff --git a/Library/Homebrew/rubocops/uses_from_macos.rb b/Library/Homebrew/rubocops/uses_from_macos.rb
index 29da97e467..b9cd1b4bdc 100644
--- a/Library/Homebrew/rubocops/uses_from_macos.rb
+++ b/Library/Homebrew/rubocops/uses_from_macos.rb
@@ -22,6 +22,7 @@ module RuboCop
           flex
           gcore
           gnu-getopt
+          gperf
           icu4c
           krb5
           libarchive