diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 67236c0..fac30f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['3.0', 3.1, 3.2, ruby-head, jruby]
+        ruby: ['3.0', 3.1, 3.2, 3.3, ruby-head, jruby]
     steps:
       - name: Clone repository
         uses: actions/checkout@v3
@@ -32,6 +32,6 @@ jobs:
         run: ruby --version; bundle exec rspec spec || $ALLOW_FAILURES
       - name: Coveralls GitHub Action
         uses: coverallsapp/github-action@v2
-        if: "matrix.ruby == '3.2'"
+        if: "matrix.ruby == '3.3'"
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/Gemfile b/Gemfile
index 180b240..6bd2f38 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,6 @@ group :development do
   gem 'ebnf',               git: "https://github.com/dryruby/ebnf",               branch: "develop"
   gem 'json-ld',            git: "https://github.com/ruby-rdf/json-ld",           branch: "develop"
   gem 'rdf-isomorphic',     git: "https://github.com/ruby-rdf/rdf-isomorphic",    branch: "develop"
-  gem 'rdf-ordered-repo',   git: "https://github.com/ruby-rdf/rdf-ordered-repo",  branch: "develop"
   gem 'rdf-spec',           git: "https://github.com/ruby-rdf/rdf-spec",          branch: "develop"
   gem 'rdf-trig',           git: "https://github.com/ruby-rdf/rdf-trig",          branch: "develop"
   gem 'rdf-turtle',         git: "https://github.com/ruby-rdf/rdf-turtle",        branch: "develop"
diff --git a/README.md b/README.md
index f3be638..f221709 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,10 @@ Write a repository to a file:
        writer << repo
     end
 
+## Change Log
+
+See [Release Notes on GitHub](https://github.com/ruby-rdf/rdf-trix/releases)
+
 ## Dependencies
 * [RDF.rb](https://rubygems.org/gems/rdf) (~> 3.3)
 * Soft dependency on [Nokogiri](https://rubygems.org/gems/nokogiri) (>= 1.15)
@@ -102,12 +106,6 @@ Write a repository to a file:
   * {RDF::TriX::Reader}
   * {RDF::TriX::Writer}
 
-## Dependencies
-
-* [RDF.rb](https://rubygems.org/gems/rdf) (~> 3.3)
-  [Nokogiri](https://rubygems.org/gems/nokogiri) (~> 1.15)
-  [LibXML](https://rubygems.org/gems/libxml) (>= 4.1)
-
 ## Installation
 
 The recommended installation method is via [RubyGems](https://rubygems.org/).
diff --git a/rdf-trix.gemspec b/rdf-trix.gemspec
index 9630e02..f7dd801 100755
--- a/rdf-trix.gemspec
+++ b/rdf-trix.gemspec
@@ -32,7 +32,6 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency     'rdf-xsd',           '~> 3.3'
   gem.add_development_dependency 'rdf-spec',          '~> 3.3'
   gem.add_development_dependency 'rdf-trig',          '~> 3.3'
-  gem.add_development_dependency 'rdf-ordered-repo',  '~> 3.3'
   gem.add_development_dependency 'rspec',             '~> 3.12'
   gem.add_development_dependency 'rspec-its',         '~> 1.3'
   gem.add_development_dependency 'yard' ,             '~> 0.9'
diff --git a/spec/reader_spec.rb b/spec/reader_spec.rb
index 8c4fb78..a667c11 100644
--- a/spec/reader_spec.rb
+++ b/spec/reader_spec.rb
@@ -2,7 +2,6 @@
 $:.unshift "."
 require 'spec_helper'
 require 'rdf/spec/reader'
-require 'rdf/ordered_repo'
 
 describe RDF::TriX::Reader do
   let(:logger) {RDF::Spec.logger}
diff --git a/spec/writer_spec.rb b/spec/writer_spec.rb
index 6f9d3b5..ee0e70f 100644
--- a/spec/writer_spec.rb
+++ b/spec/writer_spec.rb
@@ -1,7 +1,6 @@
 $:.unshift "."
 require 'spec_helper'
 require 'rdf/spec/writer'
-require 'rdf/ordered_repo'
 
 describe RDF::TriX::Writer do
   let!(:doap_nt) {File.expand_path("../../etc/doap.nt", __FILE__)}