diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index c46299e0bd..230c6e45b0 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     rspec-support (3.8.2)
     rspec-wait (0.0.9)
       rspec (>= 3, < 4)
-    rubocop (0.72.0)
+    rubocop (0.73.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)