fitting.gemspec in fitting-3.0.2 vs fitting.gemspec in fitting-4.0.0

@@ -16,13 +16,13 @@
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.6.0'
+  spec.required_ruby_version = '>= 2.5.0'
   spec.add_runtime_dependency 'json-schema', '~> 2.6', '>= 2.6.2'
   spec.add_runtime_dependency 'terminal-table', '~> 3.0', '>= 3.0.2'
-  spec.add_runtime_dependency 'tomograph', '~> 3.1', '>= 3.1.0'
+  spec.add_runtime_dependency 'tomograph', '~> 3.1', '>= 3.1.5'
 
   spec.add_development_dependency 'bundler', '~> 2.0'
   spec.add_development_dependency 'byebug', '~> 11.1', '>= 11.1.3'
   spec.add_development_dependency 'rake', '~> 13.0', '>= 13.0.6'
   spec.add_development_dependency 'rspec', '~> 3.10'