diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e97dadd4..7cfd021d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,6 +42,7 @@ jobs:
       matrix:
         adapter: [ 'mysql2', 'pg', 'sqlite3' ]
         ruby: ['3.3', '3.4', '4.0']
+        rails: ['~> 7.1.0', '~> 7.2.0', '~> 8.0.0', '~> 8.1.0']
 
     steps:
       - name: Checkout
@@ -68,19 +69,22 @@ jobs:
         run: bundle config set path 'vendor/bundle'
         working-directory: spec/dummyapp
 
-      - name: Install dummyapp dependencies (${{ matrix.adapter }})
+      - name: Install dummyapp dependencies (${{ matrix.adapter }}, Rails ${{ matrix.rails }})
         run: bundle install
         working-directory: spec/dummyapp
         env:
           DATABASE_ADAPTER: ${{ matrix.adapter }}
+          RAILS_VERSION: ${{ matrix.rails }}
 
-      - name: Run dummyapp migrations (${{ matrix.adapter }})
+      - name: Run dummyapp migrations (${{ matrix.adapter }}, Rails ${{ matrix.rails }})
         run: bin/rails db:create
         working-directory: spec/dummyapp
         env:
           DATABASE_ADAPTER: ${{ matrix.adapter }}
+          RAILS_VERSION: ${{ matrix.rails }}
 
-      - name: Run Integration tests (${{ matrix.adapter }})
+      - name: Run Integration tests (${{ matrix.adapter }}, Rails ${{ matrix.rails }})
         run: bundle exec rake spec:integration
         env:
           DATABASE_ADAPTER: ${{ matrix.adapter }}
+          RAILS_VERSION: ${{ matrix.rails }}
diff --git a/spec/dummyapp/Gemfile b/spec/dummyapp/Gemfile
index cf2b05c1..8f049c90 100644
--- a/spec/dummyapp/Gemfile
+++ b/spec/dummyapp/Gemfile
@@ -2,7 +2,7 @@ source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 7.1.0"
+gem "rails", ENV.fetch("RAILS_VERSION", "~> 7.1.0")
 
 case ENV['DATABASE_ADAPTER'] # This feels so wrong
 when 'mysql2'
@@ -10,7 +10,11 @@ when 'mysql2'
 when 'pg'
   gem 'pg', '>= 1.5', '< 2'
 when 'sqlite3'
-  gem 'sqlite3', '>= 1.6', '< 2'
+  if ENV.fetch("RAILS_VERSION", "~> 7.1.0")[/(\d+)\./, 1].to_i >= 8
+    gem 'sqlite3', '>= 2.1'
+  else
+    gem 'sqlite3', '>= 1.6', '< 2'
+  end
 else
   raise 'The environment variable DATABASE_ADAPTER must be one of mysql2, pg, or sqlite3'
 end
diff --git a/spec/support/aruba.rb b/spec/support/aruba.rb
index 15962c50..4d01f761 100644
--- a/spec/support/aruba.rb
+++ b/spec/support/aruba.rb
@@ -9,8 +9,12 @@ def read_file(name)
       read(name).join("\n")
     end
 
+    def rails8?
+      ENV.fetch("RAILS_VERSION", "~> 7.1.0")[/(\d+)\./, 1].to_i >= 8
+    end
+
     def models_template_dir
-      File.join(::Aruba.config.root_directory, "spec/templates/#{ENV["DATABASE_ADAPTER"]}")
+      File.join(::Aruba.config.root_directory, "spec/templates/pre8/#{ENV["DATABASE_ADAPTER"]}")
     end
 
     def migrations_template_dir
@@ -18,6 +22,11 @@ def migrations_template_dir
     end
 
     def model_template(name)
+      if rails8?
+        rails8_path = File.join(::Aruba.config.root_directory, "spec/templates/rails8/#{ENV["DATABASE_ADAPTER"]}", name)
+        return rails8_path if File.exist?(rails8_path)
+      end
+
       File.join(models_template_dir, name)
     end
 
diff --git a/spec/templates/mysql2/collapsed_test_model.rb b/spec/templates/pre8/mysql2/collapsed_test_model.rb
similarity index 100%
rename from spec/templates/mysql2/collapsed_test_model.rb
rename to spec/templates/pre8/mysql2/collapsed_test_model.rb
diff --git a/spec/templates/mysql2/nested_position_collapsed_test_model.rb b/spec/templates/pre8/mysql2/nested_position_collapsed_test_model.rb
similarity index 100%
rename from spec/templates/mysql2/nested_position_collapsed_test_model.rb
rename to spec/templates/pre8/mysql2/nested_position_collapsed_test_model.rb
diff --git a/spec/templates/mysql2/test_child_default.rb b/spec/templates/pre8/mysql2/test_child_default.rb
similarity index 100%
rename from spec/templates/mysql2/test_child_default.rb
rename to spec/templates/pre8/mysql2/test_child_default.rb
diff --git a/spec/templates/mysql2/test_default.rb b/spec/templates/pre8/mysql2/test_default.rb
similarity index 100%
rename from spec/templates/mysql2/test_default.rb
rename to spec/templates/pre8/mysql2/test_default.rb
diff --git a/spec/templates/mysql2/test_default_updated.rb b/spec/templates/pre8/mysql2/test_default_updated.rb
similarity index 100%
rename from spec/templates/mysql2/test_default_updated.rb
rename to spec/templates/pre8/mysql2/test_default_updated.rb
diff --git a/spec/templates/mysql2/test_default_with_bottom_annotations.rb b/spec/templates/pre8/mysql2/test_default_with_bottom_annotations.rb
similarity index 100%
rename from spec/templates/mysql2/test_default_with_bottom_annotations.rb
rename to spec/templates/pre8/mysql2/test_default_with_bottom_annotations.rb
diff --git a/spec/templates/mysql2/test_null_false.rb b/spec/templates/pre8/mysql2/test_null_false.rb
similarity index 100%
rename from spec/templates/mysql2/test_null_false.rb
rename to spec/templates/pre8/mysql2/test_null_false.rb
diff --git a/spec/templates/mysql2/test_parent.rb b/spec/templates/pre8/mysql2/test_parent.rb
similarity index 100%
rename from spec/templates/mysql2/test_parent.rb
rename to spec/templates/pre8/mysql2/test_parent.rb
diff --git a/spec/templates/mysql2/test_sibling_default.rb b/spec/templates/pre8/mysql2/test_sibling_default.rb
similarity index 100%
rename from spec/templates/mysql2/test_sibling_default.rb
rename to spec/templates/pre8/mysql2/test_sibling_default.rb
diff --git a/spec/templates/mysql2/test_true_sti.rb b/spec/templates/pre8/mysql2/test_true_sti.rb
similarity index 100%
rename from spec/templates/mysql2/test_true_sti.rb
rename to spec/templates/pre8/mysql2/test_true_sti.rb
diff --git a/spec/templates/pg/collapsed_test_model.rb b/spec/templates/pre8/pg/collapsed_test_model.rb
similarity index 100%
rename from spec/templates/pg/collapsed_test_model.rb
rename to spec/templates/pre8/pg/collapsed_test_model.rb
diff --git a/spec/templates/pg/nested_position_collapsed_test_model.rb b/spec/templates/pre8/pg/nested_position_collapsed_test_model.rb
similarity index 100%
rename from spec/templates/pg/nested_position_collapsed_test_model.rb
rename to spec/templates/pre8/pg/nested_position_collapsed_test_model.rb
diff --git a/spec/templates/pg/test_child_default.rb b/spec/templates/pre8/pg/test_child_default.rb
similarity index 100%
rename from spec/templates/pg/test_child_default.rb
rename to spec/templates/pre8/pg/test_child_default.rb
diff --git a/spec/templates/pg/test_default.rb b/spec/templates/pre8/pg/test_default.rb
similarity index 100%
rename from spec/templates/pg/test_default.rb
rename to spec/templates/pre8/pg/test_default.rb
diff --git a/spec/templates/pg/test_default_updated.rb b/spec/templates/pre8/pg/test_default_updated.rb
similarity index 100%
rename from spec/templates/pg/test_default_updated.rb
rename to spec/templates/pre8/pg/test_default_updated.rb
diff --git a/spec/templates/pg/test_default_with_bottom_annotations.rb b/spec/templates/pre8/pg/test_default_with_bottom_annotations.rb
similarity index 100%
rename from spec/templates/pg/test_default_with_bottom_annotations.rb
rename to spec/templates/pre8/pg/test_default_with_bottom_annotations.rb
diff --git a/spec/templates/pg/test_null_false.rb b/spec/templates/pre8/pg/test_null_false.rb
similarity index 100%
rename from spec/templates/pg/test_null_false.rb
rename to spec/templates/pre8/pg/test_null_false.rb
diff --git a/spec/templates/pg/test_parent.rb b/spec/templates/pre8/pg/test_parent.rb
similarity index 100%
rename from spec/templates/pg/test_parent.rb
rename to spec/templates/pre8/pg/test_parent.rb
diff --git a/spec/templates/pg/test_sibling_default.rb b/spec/templates/pre8/pg/test_sibling_default.rb
similarity index 100%
rename from spec/templates/pg/test_sibling_default.rb
rename to spec/templates/pre8/pg/test_sibling_default.rb
diff --git a/spec/templates/pg/test_true_sti.rb b/spec/templates/pre8/pg/test_true_sti.rb
similarity index 100%
rename from spec/templates/pg/test_true_sti.rb
rename to spec/templates/pre8/pg/test_true_sti.rb
diff --git a/spec/templates/sqlite3/collapsed_test_model.rb b/spec/templates/pre8/sqlite3/collapsed_test_model.rb
similarity index 100%
rename from spec/templates/sqlite3/collapsed_test_model.rb
rename to spec/templates/pre8/sqlite3/collapsed_test_model.rb
diff --git a/spec/templates/sqlite3/nested_position_collapsed_test_model.rb b/spec/templates/pre8/sqlite3/nested_position_collapsed_test_model.rb
similarity index 100%
rename from spec/templates/sqlite3/nested_position_collapsed_test_model.rb
rename to spec/templates/pre8/sqlite3/nested_position_collapsed_test_model.rb
diff --git a/spec/templates/sqlite3/test_child_default.rb b/spec/templates/pre8/sqlite3/test_child_default.rb
similarity index 100%
rename from spec/templates/sqlite3/test_child_default.rb
rename to spec/templates/pre8/sqlite3/test_child_default.rb
diff --git a/spec/templates/sqlite3/test_default.rb b/spec/templates/pre8/sqlite3/test_default.rb
similarity index 100%
rename from spec/templates/sqlite3/test_default.rb
rename to spec/templates/pre8/sqlite3/test_default.rb
diff --git a/spec/templates/sqlite3/test_default_updated.rb b/spec/templates/pre8/sqlite3/test_default_updated.rb
similarity index 100%
rename from spec/templates/sqlite3/test_default_updated.rb
rename to spec/templates/pre8/sqlite3/test_default_updated.rb
diff --git a/spec/templates/sqlite3/test_default_with_bottom_annotations.rb b/spec/templates/pre8/sqlite3/test_default_with_bottom_annotations.rb
similarity index 100%
rename from spec/templates/sqlite3/test_default_with_bottom_annotations.rb
rename to spec/templates/pre8/sqlite3/test_default_with_bottom_annotations.rb
diff --git a/spec/templates/sqlite3/test_null_false.rb b/spec/templates/pre8/sqlite3/test_null_false.rb
similarity index 100%
rename from spec/templates/sqlite3/test_null_false.rb
rename to spec/templates/pre8/sqlite3/test_null_false.rb
diff --git a/spec/templates/sqlite3/test_parent.rb b/spec/templates/pre8/sqlite3/test_parent.rb
similarity index 100%
rename from spec/templates/sqlite3/test_parent.rb
rename to spec/templates/pre8/sqlite3/test_parent.rb
diff --git a/spec/templates/sqlite3/test_sibling_default.rb b/spec/templates/pre8/sqlite3/test_sibling_default.rb
similarity index 100%
rename from spec/templates/sqlite3/test_sibling_default.rb
rename to spec/templates/pre8/sqlite3/test_sibling_default.rb
diff --git a/spec/templates/sqlite3/test_true_sti.rb b/spec/templates/pre8/sqlite3/test_true_sti.rb
similarity index 100%
rename from spec/templates/sqlite3/test_true_sti.rb
rename to spec/templates/pre8/sqlite3/test_true_sti.rb
diff --git a/spec/templates/rails8/mysql2/test_default.rb b/spec/templates/rails8/mysql2/test_default.rb
new file mode 100644
index 00000000..c4f360a8
--- /dev/null
+++ b/spec/templates/rails8/mysql2/test_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float(24)        default(12.34)
+#  integer    :integer          default(99)
+#  string     :string(255)      default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/mysql2/test_default_updated.rb b/spec/templates/rails8/mysql2/test_default_updated.rb
new file mode 100644
index 00000000..00dcf2fb
--- /dev/null
+++ b/spec/templates/rails8/mysql2/test_default_updated.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float(24)        default(12.34)
+#  int_field  :integer
+#  integer    :integer          default(99)
+#  string     :string(255)      default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/mysql2/test_default_with_bottom_annotations.rb b/spec/templates/rails8/mysql2/test_default_with_bottom_annotations.rb
new file mode 100644
index 00000000..ff161ee9
--- /dev/null
+++ b/spec/templates/rails8/mysql2/test_default_with_bottom_annotations.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+class TestDefault < ApplicationRecord
+end
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float(24)        default(12.34)
+#  integer    :integer          default(99)
+#  string     :string(255)      default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
diff --git a/spec/templates/rails8/mysql2/test_sibling_default.rb b/spec/templates/rails8/mysql2/test_sibling_default.rb
new file mode 100644
index 00000000..cfb23466
--- /dev/null
+++ b/spec/templates/rails8/mysql2/test_sibling_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float(24)        default(12.34)
+#  integer    :integer          default(99)
+#  string     :string(255)      default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestSiblingDefault < TestDefault
+end
diff --git a/spec/templates/rails8/pg/test_default.rb b/spec/templates/rails8/pg/test_default.rb
new file mode 100644
index 00000000..ffa54f1a
--- /dev/null
+++ b/spec/templates/rails8/pg/test_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/pg/test_default_updated.rb b/spec/templates/rails8/pg/test_default_updated.rb
new file mode 100644
index 00000000..2975b325
--- /dev/null
+++ b/spec/templates/rails8/pg/test_default_updated.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  int_field  :integer
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/pg/test_default_with_bottom_annotations.rb b/spec/templates/rails8/pg/test_default_with_bottom_annotations.rb
new file mode 100644
index 00000000..f45ad47f
--- /dev/null
+++ b/spec/templates/rails8/pg/test_default_with_bottom_annotations.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+class TestDefault < ApplicationRecord
+end
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
diff --git a/spec/templates/rails8/pg/test_sibling_default.rb b/spec/templates/rails8/pg/test_sibling_default.rb
new file mode 100644
index 00000000..b54bf384
--- /dev/null
+++ b/spec/templates/rails8/pg/test_sibling_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :bigint           not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestSiblingDefault < TestDefault
+end
diff --git a/spec/templates/rails8/sqlite3/test_default.rb b/spec/templates/rails8/sqlite3/test_default.rb
new file mode 100644
index 00000000..bff272dd
--- /dev/null
+++ b/spec/templates/rails8/sqlite3/test_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :integer          not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/sqlite3/test_default_updated.rb b/spec/templates/rails8/sqlite3/test_default_updated.rb
new file mode 100644
index 00000000..45adb34f
--- /dev/null
+++ b/spec/templates/rails8/sqlite3/test_default_updated.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :integer          not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  int_field  :integer
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestDefault < ApplicationRecord
+end
diff --git a/spec/templates/rails8/sqlite3/test_default_with_bottom_annotations.rb b/spec/templates/rails8/sqlite3/test_default_with_bottom_annotations.rb
new file mode 100644
index 00000000..03540654
--- /dev/null
+++ b/spec/templates/rails8/sqlite3/test_default_with_bottom_annotations.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+class TestDefault < ApplicationRecord
+end
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :integer          not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
diff --git a/spec/templates/rails8/sqlite3/test_sibling_default.rb b/spec/templates/rails8/sqlite3/test_sibling_default.rb
new file mode 100644
index 00000000..14d552cc
--- /dev/null
+++ b/spec/templates/rails8/sqlite3/test_sibling_default.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: test_defaults
+#
+#  id         :integer          not null, primary key
+#  boolean    :boolean          default(FALSE)
+#  date       :date             default(Tue, 04 Jul 2023)
+#  datetime   :datetime         default(2023-07-04 12:34:56.000000000 UTC +00:00)
+#  decimal    :decimal(14, 2)   default(43.21)
+#  float      :float            default(12.34)
+#  integer    :integer          default(99)
+#  string     :string           default("hello world!")
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class TestSiblingDefault < TestDefault
+end