diff --git a/Library/Homebrew/vendor/Gemfile b/Library/Homebrew/vendor/Gemfile
index 93cfca2cd7..271f3ccfa1 100644
--- a/Library/Homebrew/vendor/Gemfile
+++ b/Library/Homebrew/vendor/Gemfile
@@ -6,7 +6,4 @@ gem "backports"
 gem "plist"
 gem "ruby-macho"
 gem "rubocop-rspec"
-
-# not actually vendored but used to ensure the version matches here.
-require_relative "../constants"
-gem "rubocop", HOMEBREW_RUBOCOP_VERSION
+gem "rubocop"
diff --git a/Library/Homebrew/vendor/Gemfile.lock b/Library/Homebrew/vendor/Gemfile.lock
index 8c161e8c86..3aa89a21fd 100644
--- a/Library/Homebrew/vendor/Gemfile.lock
+++ b/Library/Homebrew/vendor/Gemfile.lock
@@ -44,7 +44,7 @@ DEPENDENCIES
   backports
   concurrent-ruby
   plist
-  rubocop (= 0.60.0)
+  rubocop
   rubocop-rspec
   ruby-macho