diff --git a/.travis.yml b/.travis.yml
index eea2813..de10948 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,15 +4,14 @@ script: "bundle exec rspec spec"
 env:
   - CI=true
 rvm:
-  - 2.0
-  - 2.1
-  - 2.2.4
-  - 2.3.0
-  - jruby-9.0.4.0
-  - rbx-2
+  - 2.2.6
+  - 2.3.3
+  - 2.4.0
+  - jruby
+  - rbx
 cache: bundler
 sudo: false
 matrix:
   allow_failures:
-    - rvm: jruby-9.0.4.0
-    - rvm: rbx-2
+    - rvm: rbx
+    - rvm: jruby
diff --git a/Gemfile b/Gemfile
index 1b9777d..dbb1d09 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,17 +2,16 @@ source "https://rubygems.org"
 
 gemspec
 
-gem "rdf",            git: "git://github.com/ruby-rdf/rdf.git", branch: "develop"
+gem "rdf",              github: "ruby-rdf/rdf", branch: "develop"
 
 group :development do
-  gem "rdf-spec",       git: "git://github.com/ruby-rdf/rdf-spec.git", branch: "develop"
-  gem "rdf-isomorphic", git: "git://github.com/ruby-rdf/rdf-isomorphic.git", branch: "develop"
-  gem "rdf-xsd",        git: "git://github.com/ruby-rdf/rdf-xsd.git", branch: "develop"
-  gem "json-ld",        git: "git://github.com/ruby-rdf/json-ld.git", branch: "develop"
+  gem "rdf-spec",       github: "ruby-rdf/rdf-spec", branch: "develop"
+  gem "rdf-isomorphic", github: "ruby-rdf/rdf-isomorphic", branch: "develop"
+  gem "rdf-xsd",        github: "ruby-rdf/rdf-xsd", branch: "develop"
+  gem "json-ld",        github: "ruby-rdf/json-ld", branch: "develop"
 end
 
 group :debug do
-  gem "wirble"
   gem "byebug", platform: :mri
 end
 
diff --git a/VERSION b/VERSION
index 227cea2..7ec1d6d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.0.0
+2.1.0
diff --git a/dependencyci.yml b/dependencyci.yml
new file mode 100644
index 0000000..0c67c1b
--- /dev/null
+++ b/dependencyci.yml
@@ -0,0 +1,5 @@
+platform:
+  Rubygems:
+    rdf-isomorphic:
+      tests:
+        unmaintained: skip
\ No newline at end of file
diff --git a/lib/rdf/n3/format.rb b/lib/rdf/n3/format.rb
index 3e0995b..b62183c 100644
--- a/lib/rdf/n3/format.rb
+++ b/lib/rdf/n3/format.rb
@@ -17,7 +17,7 @@ module RDF::N3
   #
   # @see http://www.w3.org/TR/rdf-testcases/#ntriples
   class Format < RDF::Format
-    content_type     'text/n3',             extension: :n3, aliases: %w(text/rdf+n3 application/rdf+n3)
+    content_type     'text/n3',             extension: :n3, aliases: %w(text/rdf+n3;q=0.2 application/rdf+n3;q=0.2)
     content_encoding 'utf-8'
 
     reader { RDF::N3::Reader }
diff --git a/lib/rdf/n3/reader.rb b/lib/rdf/n3/reader.rb
index f5e4d1a..1a3c2fd 100644
--- a/lib/rdf/n3/reader.rb
+++ b/lib/rdf/n3/reader.rb
@@ -657,11 +657,11 @@ def keyword_check(kw)
     
     # Create URIs
     def uri(value, append = nil)
-      value = RDF::URI.new(value)
+      value = RDF::URI(value)
       value = value.join(append) if append
       value.validate! if validate? && value.respond_to?(:validate)
       value.canonicalize! if canonicalize?
-      value = RDF::URI.intern(value) if intern?
+      value = RDF::URI.intern(value, {}) if intern?
       
       # Variable substitution for in-scope variables. Variables are in scope if they are defined in anthing other than
       # the current formula
diff --git a/rdf-n3.gemspec b/rdf-n3.gemspec
index 54ed07e..83cbc7d 100755
--- a/rdf-n3.gemspec
+++ b/rdf-n3.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |gem|
   gem.require_paths         = %w(lib)
   gem.has_rdoc              = false
 
-  gem.required_ruby_version = '>= 2.0.0'
+  gem.required_ruby_version = '>= 2.2.2'
   gem.requirements          = []
 
   gem.add_dependency             'rdf',             '~> 2.0'