diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9893239..46a1623 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,12 +4,15 @@ env:
   POSTGRES_USER: github
   POSTGRES_PASSWORD: oiz5FeebOosh6aet
 jobs:
-  build:
+  test:
     strategy:
       matrix:
+        gemfile: [ "Gemfile", "Gemfile.edge" ]
         ruby_version: ["4.0", "3.3"]
         postgres_version: ["18", "15"]
     runs-on: ubuntu-latest
+    env:
+      BUNDLE_GEMFILE: ${{ github.workspace }}/${{ matrix.gemfile }}
     services:
       postgres:
         image: postgres:${{ matrix.postgres_version }}
diff --git a/Gemfile.edge b/Gemfile.edge
new file mode 100644
index 0000000..485eedb
--- /dev/null
+++ b/Gemfile.edge
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+source 'https://rubygems.org'
+
+# Rails and Postgres are used to test the gem.
+gem 'pg'
+gem 'rails', github: 'rails/rails', branch: 'main'
+
+# Rubocop is used on CI to enforce the Ruby style guide.
+gem 'rubocop'
+
+# Allows us to write unit tests.
+gem 'minitest'
+
+# Used to define a few tasks for testing.
+gem 'rake'
+
+gemspec
diff --git a/Gemfile.edge.lock b/Gemfile.edge.lock
new file mode 100644
index 0000000..dbf7d02
--- /dev/null
+++ b/Gemfile.edge.lock
@@ -0,0 +1,283 @@
+GIT
+  remote: https://github.com/rails/rails.git
+  revision: 4aafd831a6e4c2979e43a4069f1415860d6ffc1e
+  branch: main
+  specs:
+    actioncable (8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      nio4r (~> 2.0)
+      websocket-driver (>= 0.6.1)
+      zeitwerk (~> 2.6)
+    actionmailbox (8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      activejob (= 8.2.0.alpha)
+      activerecord (= 8.2.0.alpha)
+      activestorage (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      mail (>= 2.8.0)
+    actionmailer (8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      actionview (= 8.2.0.alpha)
+      activejob (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      mail (>= 2.8.0)
+      rails-dom-testing (~> 2.2)
+    actionpack (8.2.0.alpha)
+      actionview (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      nokogiri (>= 1.8.5)
+      rack (>= 2.2.4)
+      rack-session (>= 1.0.1)
+      rack-test (>= 0.6.3)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.7)
+      useragent (~> 0.16)
+    actiontext (8.2.0.alpha)
+      action_text-trix (~> 2.1.16)
+      actionpack (= 8.2.0.alpha)
+      activerecord (= 8.2.0.alpha)
+      activestorage (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      globalid (>= 0.6.0)
+      nokogiri (>= 1.8.5)
+    actionview (8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      builder (~> 3.1)
+      erubi (~> 1.11)
+      rails-dom-testing (~> 2.2)
+      rails-html-sanitizer (~> 1.7)
+    activejob (8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      globalid (>= 1.4.0)
+    activemodel (8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+    activerecord (8.2.0.alpha)
+      activemodel (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      timeout (>= 0.4.0)
+    activestorage (8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      activejob (= 8.2.0.alpha)
+      activerecord (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      marcel (~> 1.0)
+    activesupport (8.2.0.alpha)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      json
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      psych (>= 4)
+      ractor-dispatch (>= 0.2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    rails (8.2.0.alpha)
+      actioncable (= 8.2.0.alpha)
+      actionmailbox (= 8.2.0.alpha)
+      actionmailer (= 8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      actiontext (= 8.2.0.alpha)
+      actionview (= 8.2.0.alpha)
+      activejob (= 8.2.0.alpha)
+      activemodel (= 8.2.0.alpha)
+      activerecord (= 8.2.0.alpha)
+      activestorage (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      bundler (>= 1.15.0)
+      railties (= 8.2.0.alpha)
+    railties (8.2.0.alpha)
+      actionpack (= 8.2.0.alpha)
+      activesupport (= 8.2.0.alpha)
+      irb (~> 1.13)
+      rackup (>= 1.0.0)
+      rake (>= 12.2)
+      thor (~> 1.0, >= 1.2.2)
+      tsort (>= 0.2)
+      zeitwerk (~> 2.6)
+
+PATH
+  remote: .
+  specs:
+    activerecord-collation (0.0.3)
+      activerecord
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    action_text-trix (2.1.19)
+      railties
+    ast (2.4.3)
+    base64 (0.3.0)
+    bigdecimal (4.1.2)
+    builder (3.3.0)
+    concurrent-ruby (1.3.7)
+    connection_pool (3.0.2)
+    crass (1.0.7)
+    date (3.5.1)
+    drb (2.2.3)
+    erb (6.0.4)
+    erubi (1.13.1)
+    globalid (1.4.0)
+      activesupport (>= 6.1)
+    i18n (1.15.2)
+      concurrent-ruby (~> 1.0)
+    io-console (0.8.2)
+    irb (1.18.0)
+      pp (>= 0.6.0)
+      prism (>= 1.3.0)
+      rdoc (>= 4.0.0)
+      reline (>= 0.4.2)
+    json (2.21.1)
+    language_server-protocol (3.17.0.6)
+    lint_roller (1.1.0)
+    logger (1.7.0)
+    loofah (2.25.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
+    mail (2.9.1)
+      logger
+      mini_mime (>= 0.1.1)
+      net-imap
+      net-pop
+      net-smtp
+    marcel (1.2.1)
+    mini_mime (1.1.5)
+    minitest (6.0.6)
+      drb (~> 2.0)
+      prism (~> 1.5)
+    net-imap (0.6.4.1)
+      date
+      net-protocol
+    net-pop (0.1.2)
+      net-protocol
+    net-protocol (0.2.2)
+      timeout
+    net-smtp (0.5.1)
+      net-protocol
+    nio4r (2.7.5)
+    nokogiri (1.19.4-aarch64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.19.4-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-linux-gnu)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-linux-musl)
+      racc (~> 1.4)
+    parallel (2.1.0)
+    parser (3.3.11.1)
+      ast (~> 2.4.1)
+      racc
+    pg (1.6.3)
+    pg (1.6.3-aarch64-linux)
+    pg (1.6.3-aarch64-linux-musl)
+    pg (1.6.3-arm64-darwin)
+    pg (1.6.3-x86_64-darwin)
+    pg (1.6.3-x86_64-linux)
+    pg (1.6.3-x86_64-linux-musl)
+    pp (0.6.4)
+      prettyprint
+    prettyprint (0.2.0)
+    prism (1.9.0)
+    psych (5.4.0)
+      date
+      stringio
+    racc (1.8.1)
+    rack (3.2.6)
+    rack-session (2.1.2)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0)
+    rack-test (2.2.0)
+      rack (>= 1.3)
+    rackup (2.3.1)
+      rack (>= 3)
+    ractor-dispatch (0.2.0)
+    rails-dom-testing (2.3.0)
+      activesupport (>= 5.0.0)
+      minitest
+      nokogiri (>= 1.6)
+    rails-html-sanitizer (1.7.0)
+      loofah (~> 2.25)
+      nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    rainbow (3.1.1)
+    rake (13.4.2)
+    rbs (4.0.3)
+      logger
+      prism (>= 1.6.0)
+      tsort
+    rdoc (8.0.0)
+      erb
+      prism (>= 1.6.0)
+      rbs (>= 4.0.0)
+      tsort
+    regexp_parser (2.12.0)
+    reline (0.6.3)
+      io-console (~> 0.5)
+    rubocop (1.88.2)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (>= 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.50.0)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    ruby-progressbar (1.13.0)
+    securerandom (0.4.1)
+    stringio (3.2.0)
+    thor (1.5.0)
+    timeout (0.6.1)
+    tsort (0.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
+    uri (1.1.1)
+    useragent (0.16.11)
+    websocket-driver (0.8.2)
+      base64
+      websocket-extensions (>= 0.1.0)
+    websocket-extensions (0.1.5)
+    zeitwerk (2.8.2)
+
+PLATFORMS
+  aarch64-linux
+  aarch64-linux-gnu
+  aarch64-linux-musl
+  arm-linux-gnu
+  arm-linux-musl
+  arm64-darwin
+  x86_64-darwin
+  x86_64-linux
+  x86_64-linux-gnu
+  x86_64-linux-musl
+
+DEPENDENCIES
+  activerecord-collation!
+  minitest
+  pg
+  rails!
+  rake
+  rubocop
+
+BUNDLED WITH
+   2.7.1