diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index 82fa228de0..6e6c70abee 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -4,6 +4,7 @@
 require "abstract_command"
 require "fileutils"
 require "formula"
+require "utils/inreplace"
 require "utils/pypi"
 require "utils/tar"