rzo.gemspec in rzo-0.7.0 vs rzo.gemspec in rzo-0.8.0

- old
+ new

@@ -1,6 +1,6 @@
-lib = File.expand_path('../lib', __FILE__)
+lib = File.expand_path('lib', __dir__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'rzo/version'
 
 Gem::Specification.new do |spec|
   spec.name          = 'rzo'
@@ -38,8 +38,7 @@
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'rubocop', '~> 0.49'
   spec.add_development_dependency 'simplecov', '~> 0.14'
   spec.add_development_dependency 'yard', '~> 0.9'
   spec.add_dependency 'deep_merge', '~> 1.1'
-  spec.add_dependency 'json', '~> 2.1'
-  spec.add_dependency 'json-schema', '~> 2.8'
+  spec.add_dependency 'json-schema', '>= 2.8.1'
 end