jess.gemspec in jess-0.3.0 vs jess.gemspec in jess-0.4.0

@@ -1,6 +1,5 @@
-# coding: utf-8
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "jess/version"
 
 Gem::Specification.new do |spec|
@@ -25,12 +24,11 @@
 
   spec.add_development_dependency "awesome_print", "~> 1.7"
   spec.add_development_dependency "bundler", "~> 1.13"
   spec.add_development_dependency "chandler", "~> 0.3"
   spec.add_development_dependency "coveralls", "~> 0.8.15"
-  spec.add_development_dependency "rake", "~> 11.0"
   spec.add_development_dependency "minitest", "~> 5.0"
   spec.add_development_dependency "minitest-reporters", "~>1.1"
-  spec.add_development_dependency "rainbow", "~> 2.1.0"
-  spec.add_development_dependency "rubocop", "~> 0.43"
-  spec.add_development_dependency "webmock", "~> 2.1"
+  spec.add_development_dependency "rake", "~> 12.0"
+  spec.add_development_dependency "rubocop", "0.52.1"
+  spec.add_development_dependency "webmock", "~> 3.1"
 end