diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 6499d238a7..854b6fdcee 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -124,7 +124,7 @@ GEM
       rspec (>= 3, < 4)
     rspec_junit_formatter (0.5.1)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.32.0)
+    rubocop (1.33.0)
       json (~> 2.3)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)