Gemfile in mock_redis-0.14.1 vs Gemfile in mock_redis-0.15.0

@@ -2,10 +2,12 @@
 
 # Specify your gem's dependencies in mock_redis.gemspec
 gemspec
 
 # Run all pre-commit hooks via Overcommit during CI runs
-gem 'overcommit', '0.24.0'
+gem 'overcommit', '0.26.0'
 
 # Pin tool versions (which are executed by Overcommit) for Travis builds
-gem 'rubocop', '0.30.0'
+gem 'rubocop', '0.32.1'
 gem 'travis', '~> 1.7'
+
+gem 'coveralls', require: false