diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 99ba30e834..92ea92a5c0 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -10,6 +10,7 @@ require "formula_pin"
 require "hardware"
 require "utils"
 require "utils/bottles"
+require "utils/gzip"
 require "utils/shebang"
 require "utils/shell"
 require "build_environment"