diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33437dc..5bf277c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,10 +20,12 @@ jobs:
     strategy:
       matrix:
         ruby-version: ['3.1', '3.2', '3.3']
-        gemfile: [ar_70, ar_71, ar_72, ar_next]
-#        exclude:
-#          - ruby-version: '3.2'
-#            gemfile: ar_60
+        gemfile: [ar_70, ar_71, ar_72, ar_80, ar_next]
+        exclude:
+          - ruby-version: '3.1'
+            gemfile: ar_80
+          - ruby-version: '3.1'
+            gemfile: ar_next
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
     steps:
diff --git a/Appraisals b/Appraisals
index 22e834b..9ef075c 100644
--- a/Appraisals
+++ b/Appraisals
@@ -15,6 +15,11 @@ appraise 'ar-72' do
   gem 'activesupport', '~> 7.2'
 end
 
+appraise 'ar-80' do
+  gem 'activerecord', '~> 8.0'
+  gem 'activesupport', '~> 8.0'
+end
+
 appraise 'ar-next' do
   git 'https://github.com/rails/rails.git', branch: 'main' do
     gem 'activerecord'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0322c00..8d8a562 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+### Version 4.1.0
+- ADD: Support for Rails 8.0
+
 ### Version 4.0.0
 - ADD: Support for Rails 7.2 
 - BREAKING: Dropped support for Rails < 7
diff --git a/acts_as_recursive_tree.gemspec b/acts_as_recursive_tree.gemspec
index 1ec6034..0dc89f5 100644
--- a/acts_as_recursive_tree.gemspec
+++ b/acts_as_recursive_tree.gemspec
@@ -22,17 +22,17 @@ Gem::Specification.new do |spec|
   spec.files                 = `git ls-files -z`.split("\x0")
   spec.require_paths         = ['lib']
 
-  spec.add_dependency 'activerecord', '>= 7.0.0', '< 8'
-  spec.add_dependency 'activesupport', '>= 7.0.0', '< 8'
+  spec.add_dependency 'activerecord', '>= 7.0.0', '< 9'
+  spec.add_dependency 'activesupport', '>= 7.0.0', '< 9'
   spec.add_dependency 'zeitwerk', '>= 2.4'
 
   spec.add_development_dependency 'appraisal', '~> 2.5'
   spec.add_development_dependency 'database_cleaner-active_record', '~> 2.2'
   spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rspec-rails', '>= 6.1'
-  spec.add_development_dependency 'rubocop', '~> 1.66.0'
-  spec.add_development_dependency 'rubocop-rails', '~> 2.26.0'
-  spec.add_development_dependency 'rubocop-rspec', '~> 3.0.4'
+  spec.add_development_dependency 'rspec-rails', '>= 7.1'
+  spec.add_development_dependency 'rubocop', '~> 1.68.0'
+  spec.add_development_dependency 'rubocop-rails', '~> 2.27.0'
+  spec.add_development_dependency 'rubocop-rspec', '~> 3.2.0'
 
   spec.add_development_dependency 'sqlite3', '~> 2.0'
 end
diff --git a/gemfiles/ar_80.gemfile b/gemfiles/ar_80.gemfile
new file mode 100644
index 0000000..3a1e5b4
--- /dev/null
+++ b/gemfiles/ar_80.gemfile
@@ -0,0 +1,8 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "activerecord", "~> 8.0"
+gem "activesupport", "~> 8.0"
+
+gemspec path: "../"
diff --git a/lib/acts_as_recursive_tree/version.rb b/lib/acts_as_recursive_tree/version.rb
index 50201d1..a358f12 100644
--- a/lib/acts_as_recursive_tree/version.rb
+++ b/lib/acts_as_recursive_tree/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ActsAsRecursiveTree
-  VERSION = '4.0.0'
+  VERSION = '4.1.0'
 end