Finish 2.2.1

Author: gkellogg

README.md

@@ -74,7 +74,7 @@ MIT License
 [W3C-ruby-rdf mailing list]:        http://lists.w3.org/Archives/Public/public-rdf-ruby/
 [Pius Uzamere]: http://pius.me
 [Gregg Kellogg]: http://greggkellogg.net/me
-[RDF.rb]:           http://rdf.rubyforge.org/
+[RDF.rb]:           http://ruby-rdf.github.com/
 [YARD]:             http://yardoc.org/
 [YARD-GS]:          http://rubydoc.info/docs/yard/file/docs/GettingStarted.md
 [PDD]:              http://lists.w3.org/Archives/Public/public-rdf-ruby/2010May/0013.html

VERSION

@@ -1 +1 @@
-2.2.0
+2.2.1

rdf-mongo.gemspec

@@ -29,10 +29,10 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version      = '>= 2.2.2'
   gem.requirements               = []
-  gem.add_runtime_dependency     'rdf',             '~> 2.0'
+  gem.add_runtime_dependency     'rdf',             '>= 2.2', '< 4.0'
   gem.add_runtime_dependency     'mongo',           '~> 2.2'
 
-  gem.add_development_dependency 'rdf-spec',        '~> 2.0'
+  gem.add_development_dependency 'rdf-spec',        '>= 2.2', '< 4.0'
   gem.add_development_dependency 'rspec',           '~> 3.4'
   gem.add_development_dependency 'rspec-its',       '~> 1.2'
   gem.add_development_dependency 'yard',            '~> 0.8'