diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index d42305d8a9..7c9ccfc039 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -113,7 +113,7 @@ GEM
       rubocop-ast (>= 1.2.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (1.3.0)
+    rubocop-ast (1.4.0)
       parser (>= 2.7.1.5)
     rubocop-performance (1.9.2)
       rubocop (>= 0.90.0, < 2.0)