diff --git a/rdf-microdata.gemspec b/rdf-microdata.gemspec
index cd7e025..d3d09b4 100755
--- a/rdf-microdata.gemspec
+++ b/rdf-microdata.gemspec
@@ -29,7 +29,7 @@ Gem::Specification.new do |gem|
   gem.requirements          = []
   gem.add_runtime_dependency     'rdf',             '~> 3.3'
   gem.add_runtime_dependency     'rdf-rdfa',        '~> 3.3'
-  gem.add_runtime_dependency     'rdf-xsd',         '~> 3.2', '>= 3.2.1'
+  gem.add_runtime_dependency     'rdf-xsd',         '~> 3.3'
   gem.add_runtime_dependency     'htmlentities',    '~> 4.3'
   gem.add_runtime_dependency     'nokogiri' ,       '~> 1.15', '>= 1.15.4'
 
@@ -38,8 +38,8 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'rspec',           '~> 3.12'
   gem.add_development_dependency 'rspec-its',       '~> 1.3'
   
-  gem.add_development_dependency 'rdf-spec',        '~> 3.2'
-  gem.add_development_dependency 'rdf-turtle',      '~> 3.2'
+  gem.add_development_dependency 'rdf-spec',        '~> 3.3'
+  gem.add_development_dependency 'rdf-turtle',      '~> 3.3'
   gem.add_development_dependency 'rdf-isomorphic',  '~> 3.3'
   gem.add_development_dependency 'json-ld',         '~> 3.3'