Gemfile in ballast-2.2.2 vs Gemfile in ballast-2.2.3

@@ -6,15 +6,15 @@
 source "http://rubygems.org"
 
 gemspec
 
 # Testing
-gem "rspec", "~> 3.1"
-gem "rake", "~> 10.3"
+gem "rspec", "~> 3.4"
+gem "rake", "~> 11.0"
 
 # Documentation
-gem "simplecov", ">= 0.9"
-gem "coveralls", ">= 0.7", require: false
-gem "pry", ">= 0"
-gem "yard", ">= 0.8"
-gem "kramdown", ">= 1.5"
-gem "github-markup", ">= 1.3"
+gem "simplecov", "~> 0.11"
+gem "coveralls", "~> 0.8", require: false
+gem "pry", "~> 0.10"
+gem "yard", "~> 0.8"
+gem "kramdown", "~> 1.10"
+gem "github-markup", "~> 1.4"
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