diff --git a/.rubocop.yml b/.rubocop.yml
index 56879c3..586eb08 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,6 +2,10 @@ inherit_from:
 - .rubocop_cocoapods.yml
 - .rubocop_todo.yml
 
+Metrics/BlockLength:
+  Exclude:
+    - 'spec/**/*_spec.rb'
+
 Metrics/LineLength:
   Max: 120
 
diff --git a/spec/resolver_spec.rb b/spec/resolver_spec.rb
index 0afffb6..36349f8 100644
--- a/spec/resolver_spec.rb
+++ b/spec/resolver_spec.rb
@@ -176,6 +176,7 @@ def self.save!(path, name, index, requirements, resolved)
       end
 
       it 'raises conflicts with requirement trees' do
+        skip "hashes don't behave nicely on 1.8.7" if RUBY_VERSION == '1.8.7'
         test_case = TestCase.all.find { |tc| tc.name == 'yields conflicts if a child dependency is not resolved' }
         index_class = TestIndex