diff --git a/CHANGELOG b/CHANGELOG
deleted file mode 100644
index 70e2d7c..0000000
--- a/CHANGELOG
+++ /dev/null
@@ -1,177 +0,0 @@
-===0.8.3 [17 February 2013]
- - Now tested on Ruby 2.0.
- - Fixed issue where underscores were not stripped by the pre-tokenizer.
-
-===0.8.2 [27 January 2013]
- - Full review and update of test examples.
- - Fixed bug where all records matching resulted in an ID rather than scored order. [phurni - Pascal Hurni]
- - Fixed bug where records were returned in order of lowest-score first. [phurni - Pascal Hurni]
- - Fixed bug where 1.8.7 would fail CI tests. [parndt - Philip Arndt]
- - 70x performance improvement for non-changed record updates.
- - Added a benchmark suite.
- - Updated README install instructions. [gudata - Ivaylo Bardarov]
-
-===0.8.1 [21 December 2012]
- - Fixed bug where record count was not correctly updated on bulk add. [phurni - Pascal Hurni]
-
-===0.8.0 [20 December 2012]
- - Fixed bug where intentional hyphenation was treated as a negative query. Fixes #31.
- - Fixed bug where will_paginate_search was not being required. Fixes #23.
- - Fixed bug where quoted phrases were matched across field boundaries. [novalis - David Turner]
- - Fixed bug where records with indentical match-rankings were returned in different orders under different Ruby implementations.
- - Storage is now process and thread-safe. Fixes issue #34. [rsamoilov - Roman Samoilov]
- - Added configuration option to force is-Windows mode for storage. Fixes issues #32, #39.
- - Added multiple Gemfiles for Travis CI. https://travis-ci.org/dougal/acts_as_indexed
- - Acts as Indexed can now be tested stand-alone without a generated Rails app.
- - ModelKlass.build_index is now a public method.
-
-===0.7.8 [14 March 2011]
- - Fixed bug with file renaming on Windows. Fixes issue #21. [gabynamiman - Gabriel Namiman]
-
-===0.7.7 [14 November 2011]
- - Fixed bug with out-of-date indexes on Windows. Fixes issue #20. [parndt - Philip Arndt]
-
-===0.7.6 [24th October 2011]
- - Removed support for atomic writes under Windows. Fixes issue #15.
-
-===0.7.5 [14th October 2011]
- - Screwup fix release.
-
-===0.7.4 [13th October 2011]
- - Default index location is now in tmp directory. [parndt - Philip Arndt]
- - Fixed a bug where namespaced models would have directory names containing colons. [ugisozols - Uģis Ozols]
-
-===0.7.3 [3rd July 2011]
-  - Support for non-default primary keys. [ttoomey - Theron Toomey]
-  - Fixed issue with file-locking on JRuby. [banderso - Ben Anderson]
-
-===0.7.2 [31st March 2011]
-  - Fixed bug with ranking of records [Christopher Souvey - bug report]
-  - Fixed a bug with the slicing of records before AR order is applied. [Christopher Souvey - bug report]
-  - Fixed bug with slicing of id-only results.
-  - Error now raised when combining ids_only with find options other than limit and offset.
-  - Can now disable auto-indexing. Useful for large test suites.
-
-===0.7.1 [22nd February 2011]
- - Removed file locking on Microsoft Windows as it is unsupported.
-
-===0.7.0 [11th February 2011]
- - Threadsafe support. Index files are now locked for changes, and atomically written.
- - Configurable case-sensitivity.
- - Improved performance of index builds.
- - Now warns on old version of the index.
- - Upgrade instructions added to README. [ionas - Florent Guilleux]
-
-===0.6.7 [7th February 2011]
- - find_by_index and paginate_search are no longer deprecated.
- - Improved documentation.
- - Storage is now its own class to allow future development of locking and pluggable backends.
-
-===0.6.6 [31st August 2010]
- - Now Heroku compatible out of the box, index is created in tmp when root dir is non-writable. [parndt - Philip Arndt - Great suggestion]
- - Fixed a require path issue on 1.9.2.
- - Fixed an issue with index_file location on Rails 3.0.0 final.
-
-===0.6.5 [19th August 2010]
- - Reintroduced support for older version of Ruby which do not implement Array#exclude? [bug report by Andy Eggers]
- - Using Bundler to manage development dependencies.
-
-===0.6.4 [16th August 2010]
- - Added starts-with query type [nilbus - Edward Anderson]
- - Various fixes and improvements.
- - Real names given for all contributors.
-
-===0.6.3 [5th July 2010]
- - Index file path can now be defined as a Pathname as well as an array. [parndt - Philip Arndt]
- - Can now define which records are indexed and which are not via an :if proc. [madpilot - Myles Eftos]
- - Lots of tidying up. [parndt - Philip Arndt]
- - Rails 3 fixes. [myabc - Alex Coles]
-
-===0.6.2 [11th June 2010]
- - Now available as a Gem as well as the original plugin. [parndt - Philip Arndt - Thanks for doing most of the hard work.]
-
-===0.6.0 [10th June 2010]
- - Now supports Rails 3.x.x as well as Rails 2.x.x.
- - Added global configuration options.
- - Now recommending using with_query scope for searching.
- - Deprecated find_with_index and will_paginate_search methods.
-
-===0.5.3 [6th June 2010]
-- Now supports non-standard table names automatically. [nandalopes - Fernanda Lopes]
-
-===0.5.2 [3rd May 2010]
-- Fix for Errno::ERANGE error related to certain Math.log calculations. [parndt - Philip Arndt]
-- Improved index detection in a shared-directory environment. [bob-p - Thomas Pomfret]
-
-===0.5.1 [11 June 2009]
-- Fixed Ruby 1.8.6 compatibility.
-
-===0.5.0 [24 April 2009]
-- Ruby 1.9 and Rails 2.3 compatibility.
-- Index location can now be set. Provides Heroku compatibility.
-- Better errors on bad options.
-- ActiveRecord order argument overrides ranking returned by find_by_index.
-- Various test environment improvements
-- Various Bugfixes
-
-===0.4.6 [10 August 2008]
-- Rolled in pagination.
-
-===0.4.5 [04 February 2008]
-- Fixed a bug where the find_options :limit would be added to the :offset, which caused incorrectly sized collections to be returned.
-- Fixed an 'ambiguous column' error when using the :includes find_options key.
-
-===0.4.4 [29 November 2007]
-- Fixed a bug causing the weighting section of the code to error out.
-
-===0.4.3 [27 September 2007]
-- Fixed a bug causing records to be deleted from index during record updates.
-
-===0.4.2 [27 September 2007]
-- Fixed a bug causing identically ranked records to be lost.
-
-===0.4.1 [22 September 2007]
-- Fixed a bug in the main search method.
-
-===0.4.0 [22 September 2007]
-- Search results now ranked by relevance.
-
-===0.3.3 [20 September 2007]
-- Fixed index update bug where deleted atoms were not removed from index.
-- Improved performance of quoted queries.
-- Improved performance of index updates.
-- When building a full index, records are retrieved and indexed in batches to reduce memory consumption.
-
-===0.3.2 [19 September 2007]
-- Fixed index update bug.
-
-===0.3.1 [18 September 2007]
-- Added RDoc documentation comments.
-
-===0.3.0 [18 September 2007]
-- Minor bug fixes.
-- min_word_size now works properly, with queries containing small words in
-  quotes or being preceded by a '+' symbol are now searched on.
-
-===0.2.2 [06 September 2007]
-- Search now caches query results within a session. Call the search twice in an
-  action? Only runs once!
-
-===0.2.1 [05 September 2007]
-- AR find options can now be passed to the search to allow finer control of
-  returned Model Objects.
-
-===0.2.0 [04 September 2007]
-- Major performance improvements.
-- Index segmentation can now be tuned.
-
-===0.1.1 [31 August 2007]
-- Added a full set of tests.
-- Fixed various set-manipulation based errors.
-- Fixed a bug when searching for quoted phrases.
-
-===0.1.01 [31 August 2007]
-- Fixed a casting bug occurring when adding non-string fields to the index.
-
-===0.1 [31 August 2007]
-- Initial release.
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..0368919
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,231 @@
+# Changelog
+
+## 0.9.0 [25 August 2023]
+
+Thanks to Ryan Kopf for reviewing PRs, fixing the broken CI, and tidying things up to make this release possible.
+
+- Now tested on Ruby 3.0 and Ruby 3.1. [#70](https://github.com/dougal/acts_as_indexed/pull/70). [[ryankopf](https://github.com/ryankopf) - Ryan Kopf]
+- Remove deprecated Fixnum references. [#62](https://github.com/dougal/acts_as_indexed/pull/62). [[yez](https://github.com/yez) - Jake Yesbeck]
+- Delete Gemfile.lock from repo. [#68](https://github.com/dougal/acts_as_indexed/pull/68). [[parndt](https://github.com/parndt) - Philip Arndt]
+- Bump i18n from 0.6.1 to 0.9.5. [#64](https://github.com/dougal/acts_as_indexed/pull/64)
+- Bump tzinfo from 0.3.35 to 0.3.61. [#66](https://github.com/dougal/acts_as_indexed/pull/66)
+- Bump will_paginate from 3.0.3 to 3.0.5. [#67](https://github.com/dougal/acts_as_indexed/pull/67)
+
+## 0.8.3 [17 February 2013]
+
+- Now tested on Ruby 2.0.
+- Fixed issue where underscores were not stripped by the pre-tokenizer.
+
+## 0.8.2 [27 January 2013]
+
+- Full review and update of test examples.
+- Fixed bug where all records matching resulted in an ID rather than scored order. [phurni - Pascal Hurni]
+- Fixed bug where records were returned in order of lowest-score first. [phurni - Pascal Hurni]
+- Fixed bug where 1.8.7 would fail CI tests. [parndt - Philip Arndt]
+- 70x performance improvement for non-changed record updates.
+- Added a benchmark suite.
+- Updated README install instructions. [gudata - Ivaylo Bardarov]
+
+## 0.8.1 [21 December 2012]
+
+- Fixed bug where record count was not correctly updated on bulk add. [phurni - Pascal Hurni]
+
+## 0.8.0 [20 December 2012]
+
+- Fixed bug where intentional hyphenation was treated as a negative query. Fixes #31.
+- Fixed bug where will_paginate_search was not being required. Fixes #23.
+- Fixed bug where quoted phrases were matched across field boundaries. [novalis - David Turner]
+- Fixed bug where records with indentical match-rankings were returned in different orders under different Ruby implementations.
+- Storage is now process and thread-safe. Fixes issue #34. [rsamoilov - Roman Samoilov]
+- Added configuration option to force is-Windows mode for storage. Fixes issues #32, #39.
+- Added multiple Gemfiles for Travis CI. https://travis-ci.org/dougal/acts_as_indexed
+- Acts as Indexed can now be tested stand-alone without a generated Rails app.
+- ModelKlass.build_index is now a public method.
+
+## 0.7.8 [14 March 2011]
+
+- Fixed bug with file renaming on Windows. Fixes issue #21. [gabynamiman - Gabriel Namiman]
+
+## 0.7.7 [14 November 2011]
+
+- Fixed bug with out-of-date indexes on Windows. Fixes issue #20. [parndt - Philip Arndt]
+
+## 0.7.6 [24th October 2011]
+
+- Removed support for atomic writes under Windows. Fixes issue #15.
+
+## 0.7.5 [14th October 2011]
+
+- Screwup fix release.
+
+## 0.7.4 [13th October 2011]
+
+- Default index location is now in tmp directory. [parndt - Philip Arndt]
+- Fixed a bug where namespaced models would have directory names containing colons. [ugisozols - Uģis Ozols]
+
+## 0.7.3 [3rd July 2011]
+
+- Support for non-default primary keys. [ttoomey - Theron Toomey]
+- Fixed issue with file-locking on JRuby. [banderso - Ben Anderson]
+
+## 0.7.2 [31st March 2011]
+
+- Fixed bug with ranking of records [Christopher Souvey - bug report]
+- Fixed a bug with the slicing of records before AR order is applied. [Christopher Souvey - bug report]
+- Fixed bug with slicing of id-only results.
+- Error now raised when combining ids_only with find options other than limit and offset.
+- Can now disable auto-indexing. Useful for large test suites.
+
+## 0.7.1 [22nd February 2011]
+
+- Removed file locking on Microsoft Windows as it is unsupported.
+
+## 0.7.0 [11th February 2011]
+
+- Threadsafe support. Index files are now locked for changes, and atomically written.
+- Configurable case-sensitivity.
+- Improved performance of index builds.
+- Now warns on old version of the index.
+- Upgrade instructions added to README. [ionas - Florent Guilleux]
+
+## 0.6.7 [7th February 2011]
+
+- find_by_index and paginate_search are no longer deprecated.
+- Improved documentation.
+- Storage is now its own class to allow future development of locking and pluggable backends.
+
+## 0.6.6 [31st August 2010]
+
+- Now Heroku compatible out of the box, index is created in tmp when root dir is non-writable. [parndt - Philip Arndt - Great suggestion]
+- Fixed a require path issue on 1.9.2.
+- Fixed an issue with index_file location on Rails 3.0.0 final.
+
+## 0.6.5 [19th August 2010]
+
+- Reintroduced support for older version of Ruby which do not implement Array#exclude? [bug report by Andy Eggers]
+- Using Bundler to manage development dependencies.
+
+## 0.6.4 [16th August 2010]
+
+- Added starts-with query type [nilbus - Edward Anderson]
+- Various fixes and improvements.
+- Real names given for all contributors.
+
+## 0.6.3 [5th July 2010]
+
+- Index file path can now be defined as a Pathname as well as an array. [parndt - Philip Arndt]
+- Can now define which records are indexed and which are not via an :if proc. [madpilot - Myles Eftos]
+- Lots of tidying up. [parndt - Philip Arndt]
+- Rails 3 fixes. [myabc - Alex Coles]
+
+## 0.6.2 [11th June 2010]
+
+- Now available as a Gem as well as the original plugin. [parndt - Philip Arndt - Thanks for doing most of the hard work.]
+
+## 0.6.0 [10th June 2010]
+
+- Now supports Rails 3.x.x as well as Rails 2.x.x.
+- Added global configuration options.
+- Now recommending using with_query scope for searching.
+- Deprecated find_with_index and will_paginate_search methods.
+
+## 0.5.3 [6th June 2010]
+
+- Now supports non-standard table names automatically. [nandalopes - Fernanda Lopes]
+
+## 0.5.2 [3rd May 2010]
+
+- Fix for Errno::ERANGE error related to certain Math.log calculations. [parndt - Philip Arndt]
+- Improved index detection in a shared-directory environment. [bob-p - Thomas Pomfret]
+
+## 0.5.1 [11 June 2009]
+
+- Fixed Ruby 1.8.6 compatibility.
+
+## 0.5.0 [24 April 2009]
+
+- Ruby 1.9 and Rails 2.3 compatibility.
+- Index location can now be set. Provides Heroku compatibility.
+- Better errors on bad options.
+- ActiveRecord order argument overrides ranking returned by find_by_index.
+- Various test environment improvements
+- Various Bugfixes
+
+## 0.4.6 [10 August 2008]
+
+- Rolled in pagination.
+
+## 0.4.5 [04 February 2008]
+
+- Fixed a bug where the find_options :limit would be added to the :offset, which caused incorrectly sized collections to be returned.
+- Fixed an 'ambiguous column' error when using the :includes find_options key.
+
+## 0.4.4 [29 November 2007]
+
+- Fixed a bug causing the weighting section of the code to error out.
+
+## 0.4.3 [27 September 2007]
+
+- Fixed a bug causing records to be deleted from index during record updates.
+
+## 0.4.2 [27 September 2007]
+
+- Fixed a bug causing identically ranked records to be lost.
+
+## 0.4.1 [22 September 2007]
+
+- Fixed a bug in the main search method.
+
+## 0.4.0 [22 September 2007]
+
+- Search results now ranked by relevance.
+
+## 0.3.3 [20 September 2007]
+
+- Fixed index update bug where deleted atoms were not removed from index.
+- Improved performance of quoted queries.
+- Improved performance of index updates.
+- When building a full index, records are retrieved and indexed in batches to reduce memory consumption.
+
+## 0.3.2 [19 September 2007]
+
+- Fixed index update bug.
+
+## 0.3.1 [18 September 2007]
+
+- Added RDoc documentation comments.
+
+## 0.3.0 [18 September 2007]
+
+- Minor bug fixes.
+- min_word_size now works properly, with queries containing small words in
+  quotes or being preceded by a '+' symbol are now searched on.
+
+## 0.2.2 [06 September 2007]
+
+- Search now caches query results within a session. Call the search twice in an
+  action? Only runs once!
+
+## 0.2.1 [05 September 2007]
+
+- AR find options can now be passed to the search to allow finer control of
+  returned Model Objects.
+
+## 0.2.0 [04 September 2007]
+
+- Major performance improvements.
+- Index segmentation can now be tuned.
+
+## 0.1.1 [31 August 2007]
+
+- Added a full set of tests.
+- Fixed various set-manipulation based errors.
+- Fixed a bug when searching for quoted phrases.
+
+## 0.1.01 [31 August 2007]
+
+- Fixed a casting bug occurring when adding non-string fields to the index.
+
+## 0.1 [31 August 2007]
+
+- Initial release.
diff --git a/README.rdoc b/README.rdoc
index 7625e98..2a21bda 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -187,6 +187,7 @@ bugfixes and features wouldn't have happened.
 * Roman Samoilov
 * David Turner
 * Pascal Hurni
+* Ryan Kopf
 
 
 == Unicode (UTF8) Support
diff --git a/Rakefile b/Rakefile
index f451499..06ee952 100644
--- a/Rakefile
+++ b/Rakefile
@@ -69,6 +69,8 @@ begin
     gemspec.email = "dougal.s@gmail.com"
     gemspec.homepage = "http://github.com/dougal/acts_as_indexed"
     gemspec.authors = ["Douglas F Shearer"]
+    gemspec.files.exclude ".github/**/*"
+    gemspec.files.exclude ".travis.yml"
   end
   Jeweler::GemcutterTasks.new
 rescue LoadError
diff --git a/VERSION b/VERSION
index fab77af..ac39a10 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.8.3
\ No newline at end of file
+0.9.0
diff --git a/acts_as_indexed.gemspec b/acts_as_indexed.gemspec
index f18c79b..cb6aebe 100644
--- a/acts_as_indexed.gemspec
+++ b/acts_as_indexed.gemspec
@@ -2,22 +2,25 @@
 # DO NOT EDIT THIS FILE DIRECTLY
 # Instead, edit Jeweler::Tasks in Rakefile, and run 'rake gemspec'
 # -*- encoding: utf-8 -*-
+# stub: acts_as_indexed 0.9.0 ruby lib
 
 Gem::Specification.new do |s|
-  s.name = "acts_as_indexed"
-  s.version = "0.8.3"
+  s.name = "acts_as_indexed".freeze
+  s.version = "0.9.0"
 
-  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
-  s.authors = ["Douglas F Shearer"]
-  s.date = "2013-04-17"
-  s.description = "Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app"
-  s.email = "dougal.s@gmail.com"
+  s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
+  s.require_paths = ["lib".freeze]
+  s.authors = ["Douglas F Shearer".freeze]
+  s.date = "2023-08-25"
+  s.description = "Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app".freeze
+  s.email = "dougal.s@gmail.com".freeze
   s.extra_rdoc_files = [
-    "README.rdoc"
+    "CHANGELOG.md",
+    "README.rdoc",
+    "TODO"
   ]
   s.files = [
-    ".travis.yml",
-    "CHANGELOG",
+    "CHANGELOG.md",
     "Gemfile",
     "MIT-LICENSE",
     "README.rdoc",
@@ -60,9 +63,8 @@ Gem::Specification.new do |s|
     "test/unit/tokenizer_test.rb",
     "test/unit_test_helper.rb"
   ]
-  s.homepage = "http://github.com/dougal/acts_as_indexed"
-  s.require_paths = ["lib"]
-  s.rubygems_version = "1.8.23"
-  s.summary = "Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app"
+  s.homepage = "http://github.com/dougal/acts_as_indexed".freeze
+  s.rubygems_version = "3.3.7".freeze
+  s.summary = "Acts As Indexed is a plugin which provides a pain-free way to add fulltext search to your Ruby on Rails app".freeze
 end