just_checkers.gemspec in just_checkers-0.3.3 vs just_checkers.gemspec in just_checkers-1.0.0

@@ -17,11 +17,12 @@
   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 = '>= 2.1'
+  spec.required_ruby_version = '>= 2.2'
 
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency 'minitest', '~> 5.8'
+  spec.add_development_dependency 'board_game_grid', '~> 0.1'
 end