Gemfile in vtk-0.9.5 vs Gemfile in vtk-1.0.0

@@ -2,5 +2,15 @@
 
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in vtk.gemspec
 gemspec
+
+group :development do
+  gem 'github_changelog_generator', '~> 1.15.0'
+  gem 'pry', '~> 0.13.0'
+  gem 'rake', '~> 13.0.0'
+  gem 'rspec', '~> 3.10.0'
+  gem 'rubocop', '~> 1.59'
+  gem 'rubocop-rake', '~> 0.5.0'
+  gem 'rubocop-rspec', '~> 2.0.0'
+end