.travis-gemfile in ballast-2.2.2 vs .travis-gemfile in ballast-2.2.3

@@ -6,9 +6,9 @@
 source "http://rubygems.org"
 
 gemspec
 
 # Testing gems
-gem "rspec", "~> 3.1"
-gem "rake", "~> 10.3"
-gem "simplecov", ">= 0.9"
-gem "coveralls", ">= 0.7", require: false
+gem "rspec", "~> 3.4"
+gem "rake", "~> 11.0"
+gem "simplecov", "~> 0.9"
+gem "coveralls", "~> 0.8", require: false
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