ruby_learner.gemspec in ruby_learner-1.1.4 vs ruby_learner.gemspec in ruby_learner-1.1.5

@@ -30,12 +30,9 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec", "~> 3.0"
-  spec.add_dependency "thor"
-  spec.add_dependency "colorize"
-  spec.add_dependency "minitest", "~> 5.10.3"
-  spec.add_dependency "diff-lcs"
+  spec.add_dependency "rspec", "~> 3.8"
+  spec.add_dependency "thor", "~> 0.20.0"
   spec.add_dependency "rubocop", "~> 0.55.0"
 end