diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 837f6c963c..ac54c58484 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
       method_source (~> 1.0)
     rainbow (3.0.0)
     rdiscount (2.2.0.2)
-    regexp_parser (1.8.2)
+    regexp_parser (2.0.0)
     rexml (3.2.4)
     ronn (0.7.3)
       hpricot (>= 0.8.2)
@@ -110,9 +110,9 @@ GEM
       rubocop-ast (>= 1.1.1)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (1.1.1)
+    rubocop-ast (1.2.0)
       parser (>= 2.7.1.5)
-    rubocop-performance (1.9.0)
+    rubocop-performance (1.9.1)
       rubocop (>= 0.90.0, < 2.0)
       rubocop-ast (>= 0.4.0)
     rubocop-rspec (2.0.0)