diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 73e92993b1..746a5c5796 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -124,9 +124,9 @@ GEM
       rspec (>= 3, < 4)
     rspec_junit_formatter (0.5.1)
       rspec-core (>= 2, < 4, != 2.12.0)
-    rubocop (1.24.1)
+    rubocop (1.25.0)
       parallel (~> 1.10)
-      parser (>= 3.0.0.0)
+      parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml