Gemfile in chef-vault-2.9.2 vs Gemfile in chef-vault-3.0.0.rc1

@@ -1,12 +1,11 @@
 source "https://rubygems.org/"
 
 group :development do
-  gem "chefstyle", "= 0.5.0"
+  gem "chefstyle", git: "https://github.com/chef/chefstyle.git"
 end
-if RUBY_VERSION.to_f >= 2.0
-  group :changelog do
-    gem "github_changelog_generator", git: "https://github.com/chef/github-changelog-generator"
-  end
+
+group :changelog do
+  gem "github_changelog_generator", "1.11.3"
 end
 
 gemspec