diff --git a/rdf-n3.gemspec b/rdf-n3.gemspec
index f3eb1a0..fc73156 100755
--- a/rdf-n3.gemspec
+++ b/rdf-n3.gemspec
@@ -30,14 +30,14 @@ Gem::Specification.new do |gem|
 
   gem.add_dependency             'ebnf',            '~> 2.4'
   gem.add_dependency             'rdf',             '~> 3.3'
-  gem.add_dependency             'sparql',          '~> 3.2'
-  gem.add_runtime_dependency     'sxp',             '~> 1.2'
+  gem.add_dependency             'sparql',          '~> 3.3'
+  gem.add_runtime_dependency     'sxp',             '~> 1.3'
 
   gem.add_development_dependency 'json-ld',         '~> 3.3'
-  gem.add_development_dependency 'rdf-spec',        '~> 3.2'
+  gem.add_development_dependency 'rdf-spec',        '~> 3.3'
   gem.add_development_dependency 'rdf-isomorphic',  '~> 3.3'
-  gem.add_development_dependency 'rdf-trig',        '~> 3.2'
-  gem.add_development_dependency 'rdf-vocab',       '~> 3.2'
+  gem.add_development_dependency 'rdf-trig',        '~> 3.3'
+  gem.add_development_dependency 'rdf-vocab',       '~> 3.3'
   gem.add_development_dependency 'rspec',           '~> 3.12'
   gem.add_development_dependency 'rspec-its',       '~> 1.3'
   gem.add_development_dependency 'yard' ,           '~> 0.9'