diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index d8d0fdcedb..d741c7e09c 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -161,7 +161,6 @@ Lint/AmbiguousRegexpLiteral:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: false
 
-
 # most metrics don't make sense to apply for formulae/taps
 Metrics/AbcSize:
   Enabled: false
diff --git a/Library/.rubocop_cask.yml b/Library/.rubocop_cask.yml
index e53db5a55d..fe874e591c 100644
--- a/Library/.rubocop_cask.yml
+++ b/Library/.rubocop_cask.yml
@@ -20,6 +20,8 @@ Cask/StanzaOrder:
   Description: 'Ensure that cask stanzas are sorted correctly. More info at https://github.com/Homebrew/homebrew-cask/blob/HEAD/CONTRIBUTING.md#stanza-order'
   Enabled: true
 
-# don't want this for casks but re-enabled for Library/Homebrew
+# don't want these for casks but re-enabled for Library/Homebrew
 Style/FrozenStringLiteralComment:
   Enabled: false
+Metrics/BlockLength:
+  Enabled: false
diff --git a/Library/Homebrew/.rubocop.yml b/Library/Homebrew/.rubocop.yml
index cca1eb3204..ba7e43870a 100644
--- a/Library/Homebrew/.rubocop.yml
+++ b/Library/Homebrew/.rubocop.yml
@@ -37,30 +37,33 @@ Lint/ParenthesesAsGroupedExpression:
 # TODO: try to bring down all metrics maximums
 Metrics/AbcSize:
   Enabled: true
-  Max: 275
+  Max: 250
 Metrics/BlockLength:
   Enabled: true
-  Max: 1100
+  Max: 100
   Exclude:
-    - 'test/formula_spec.rb'
+    - 'test/**/*'
 Metrics/BlockNesting:
   Enabled: true
   Max: 5
 Metrics/ClassLength:
   Enabled: true
-  Max: 1400
+  Max: 800
+  Exclude:
+    - 'formula.rb'
+    - 'formula_installer.rb'
 Metrics/CyclomaticComplexity:
   Enabled: true
-  Max: 85
+  Max: 80
 Metrics/MethodLength:
   Enabled: true
-  Max: 300
+  Max: 260
 Metrics/ModuleLength:
   Enabled: true
-  Max: 550
+  Max: 500
 Metrics/PerceivedComplexity:
   Enabled: true
-  Max: 100
+  Max: 80
 
 # we won't change backward compatible predicate names
 Naming/PredicateName: