diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 6addba0a69..542691fe6e 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
       rubocop-ast (>= 1.28.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.28.1)
+    rubocop-ast (1.29.0)
       parser (>= 3.2.1.0)
     rubocop-capybara (2.18.0)
       rubocop (~> 1.41)