diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 00edf89..d0a06b7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,14 +10,15 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.0'
-          - '3.1'
           - '3.2'
           - '3.3'
+          - '3.4'
+          - '4.0'
         rails:
-          - '6.1'
-          - '7.0'
           - '7.1'
+          - '7.2'
+          - '8.0'
+          - '8.1'
     runs-on: ubuntu-22.04
 
     name: RSpec (Rails ${{ matrix.rails }}) (Ruby ${{ matrix.ruby }})
diff --git a/.gitignore b/.gitignore
index eb10a5b..4579abf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@
 
 gemfiles/*.lock
 .env.local
+*.gem
+/.claude
diff --git a/Appraisals b/Appraisals
index b85fe68..2633c7d 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,11 +1,15 @@
-appraise "rails-6.1" do
-  gem "rails", "~> 6.1"
+appraise "rails-7.1" do
+  gem "rails", "~> 7.1.0"
 end
 
-appraise "rails-7.0" do
-  gem "rails", "~> 7.0"
+appraise "rails-7.2" do
+  gem "rails", "~> 7.2.0"
 end
 
-appraise "rails-7.1" do
-  gem "rails", "~> 7.1"
+appraise "rails-8.0" do
+  gem "rails", "~> 8.0.0"
+end
+
+appraise "rails-8.1" do
+  gem "rails", "~> 8.1.0"
 end
diff --git a/Dockerfile b/Dockerfile
index fb8c4cb..ca8c75b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.0
+FROM ruby:3.4
 
 WORKDIR /usr/src/app
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 5a641cb..dfd841e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,42 +1,59 @@
 PATH
   remote: .
   specs:
-    sql_enum (1.0.0)
-      activerecord (>= 6.1.0)
-      activesupport (>= 6.1.0)
+    sql_enum (2.0.0)
+      activerecord (>= 7.1.0)
+      activesupport (>= 7.1.0)
       mysql2
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (7.0.8)
-      activesupport (= 7.0.8)
-    activerecord (7.0.8)
-      activemodel (= 7.0.8)
-      activesupport (= 7.0.8)
-    activesupport (7.0.8)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+    activemodel (8.1.2)
+      activesupport (= 8.1.2)
+    activerecord (8.1.2)
+      activemodel (= 8.1.2)
+      activesupport (= 8.1.2)
+      timeout (>= 0.4.0)
+    activesupport (8.1.2)
+      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)
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     appraisal (2.5.0)
       bundler
       rake
       thor (>= 0.14.0)
     awesome_print (1.9.2)
-    concurrent-ruby (1.2.3)
+    base64 (0.3.0)
+    bigdecimal (4.0.1)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
     debug (1.9.1)
       irb (~> 1.10)
       reline (>= 0.3.8)
     diff-lcs (1.5.0)
+    drb (2.2.3)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     io-console (0.7.2)
     irb (1.11.1)
       rdoc
       reline (>= 0.4.2)
-    minitest (5.21.2)
+    json (2.18.1)
+    logger (1.7.0)
+    minitest (6.0.1)
+      prism (~> 1.5)
     mysql2 (0.5.5)
+    prism (1.9.0)
     psych (5.1.2)
       stringio
     rake (13.1.0)
@@ -57,10 +74,13 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
+    securerandom (0.4.1)
     stringio (3.1.0)
     thor (1.3.0)
+    timeout (0.6.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    uri (1.1.1)
 
 PLATFORMS
   ruby
diff --git a/README.md b/README.md
index 444c070..c27c2b6 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@ Enables usage of native sql enums with ActiveRecord
 
 ## NOTE
 
-Version 1.0 of this is compatible with Rails 7 and above.
+Version 2.0 of this gem requires Rails 7.1+ and Ruby 3.2+.
 
-For Rails versions below Rails 7, use version 0.4
+For Rails 7.0 and 7.1, use version 1.0. For Rails versions below 7, use version 0.4.
 
 ## Installation
 
@@ -30,7 +30,7 @@ Or install it yourself as:
 
 Use a part of table definition:
 ```ruby
-class CreateUsers < ActiveRecord::Migration[5.1]
+class CreateUsers < ActiveRecord::Migration[7.1]
   def change
     create_table :users do |t|
       t.enum :status, limit: [:active, :pending, :inactive], default: :active
diff --git a/gemfiles/rails_7.1.gemfile b/gemfiles/rails_7.1.gemfile
index 1d906c3..35a0ba3 100644
--- a/gemfiles/rails_7.1.gemfile
+++ b/gemfiles/rails_7.1.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 7.1"
+gem "rails", "~> 7.1.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_6.1.gemfile b/gemfiles/rails_7.2.gemfile
similarity index 79%
rename from gemfiles/rails_6.1.gemfile
rename to gemfiles/rails_7.2.gemfile
index c34b486..92cc2b2 100644
--- a/gemfiles/rails_6.1.gemfile
+++ b/gemfiles/rails_7.2.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 6.1"
+gem "rails", "~> 7.2.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_8.0.gemfile
similarity index 79%
rename from gemfiles/rails_7.0.gemfile
rename to gemfiles/rails_8.0.gemfile
index 9d2735b..3b3765b 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_8.0.gemfile
@@ -2,6 +2,6 @@
 
 source "https://rubygems.org"
 
-gem "rails", "~> 7.0"
+gem "rails", "~> 8.0.0"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_8.1.gemfile b/gemfiles/rails_8.1.gemfile
new file mode 100644
index 0000000..cedb65f
--- /dev/null
+++ b/gemfiles/rails_8.1.gemfile
@@ -0,0 +1,7 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rails", "~> 8.1.0"
+
+gemspec path: "../"
diff --git a/lib/active_record/connection_adapters/abstract_mysql.rb b/lib/active_record/connection_adapters/abstract_mysql.rb
index b5d0841..6795572 100644
--- a/lib/active_record/connection_adapters/abstract_mysql.rb
+++ b/lib/active_record/connection_adapters/abstract_mysql.rb
@@ -9,39 +9,10 @@ def register_enum_type(mapping)
         end
       end
 
-      # In Rails 6.1, registering the enum type is an instance method and is
-      # done on initialization, In Rails 7.0 it is a class method and
-      # the registration happens when the class is loaded. So, in Rails 6.1,
-      # we can override the `initialize_type_map` method to register the enum
-      # but in Rails 7.1, we need to call register_enum_type explicitly.
-
-      if SqlEnum.rails_version_match?("6.1")
-        module SqlEnumMapper
-          def initialize_type_map(m = type_map)
-            super(m)
-            AbstractMysqlAdapter.register_enum_type(m)
-          end
-        end
-
-        ActiveRecord::ConnectionAdapters::Mysql2Adapter.prepend(SqlEnumMapper)
-      end
-
-
-      if SqlEnum.rails_version_match?("7.0")
-        [
-          ActiveRecord::ConnectionAdapters::Mysql2Adapter::TYPE_MAP,
-          ActiveRecord::ConnectionAdapters::Mysql2Adapter::TYPE_MAP_WITH_BOOLEAN
-        ].each do |m|
-          AbstractMysqlAdapter.register_enum_type(m)
-        end
-      end
-
-      # Rails 7.1 drops the TYPE_MAP_WITH_BOOLEAN constant
-      if SqlEnum.rails_version_match?("7.1")
-          AbstractMysqlAdapter.register_enum_type(
-            ActiveRecord::ConnectionAdapters::Mysql2Adapter::TYPE_MAP
-          )
-      end
+      # Rails 7.1+ uses a single TYPE_MAP constant on the adapter class
+      AbstractMysqlAdapter.register_enum_type(
+        ActiveRecord::ConnectionAdapters::Mysql2Adapter::TYPE_MAP
+      )
     end
   end
 end
diff --git a/lib/active_record/connection_adapters/mysql2.rb b/lib/active_record/connection_adapters/mysql2.rb
index 79ebd48..c5f427a 100644
--- a/lib/active_record/connection_adapters/mysql2.rb
+++ b/lib/active_record/connection_adapters/mysql2.rb
@@ -7,16 +7,17 @@ def native_database_types
         self.class::NATIVE_DATABASE_TYPES.merge(enum: {name: "enum"})
       end
 
-      def type_to_sql_with_enum(type, limit: nil, precision: nil, scale: nil, unsigned: nil, **)
-        if type.to_sym == :enum
-          "#{type}(#{limit.map{|n| "'#{n}'"}.join(",")})"
-        else
-          type_to_sql_without_enum(type, limit: limit, precision: precision, scale: scale, unsigned: unsigned)
+      module SqlEnumTypeToSql
+        def type_to_sql(type, limit: nil, **)
+          if type.to_sym == :enum
+            "#{type}(#{limit.map { |n| "'#{n}'" }.join(",")})"
+          else
+            super
+          end
         end
       end
 
-      alias_method :type_to_sql_without_enum, :type_to_sql
-      alias_method :type_to_sql, :type_to_sql_with_enum
+      prepend SqlEnumTypeToSql
     end
   end
 end
diff --git a/lib/sql_enum.rb b/lib/sql_enum.rb
index 792e215..879521a 100644
--- a/lib/sql_enum.rb
+++ b/lib/sql_enum.rb
@@ -7,10 +7,6 @@ def self.configure
     self.configuration ||= Configuration.new
     yield(configuration)
   end
-
-  def self.rails_version_match?(version_string)
-    ActiveSupport.version.to_s.start_with?(version_string)
-  end
 end
 
 require 'active_record'
diff --git a/lib/sql_enum/class_methods.rb b/lib/sql_enum/class_methods.rb
index 890991f..f15d83a 100644
--- a/lib/sql_enum/class_methods.rb
+++ b/lib/sql_enum/class_methods.rb
@@ -13,11 +13,20 @@ def sql_enum(column_name, options = {})
       suffix = options.fetch(:_suffix, !!SqlEnum.configuration&.default_suffix)
 
       # Define enum using Rails enum
-      enum(column_name => values_map, _prefix: prefix, _suffix: suffix)
+      enum(column_name, values_map, prefix: prefix, suffix: suffix)
 
       # Override reader to return symbols
-      type_definition = ->(subtype) { EnumType.new(attr, send(column_name.to_s.pluralize), subtype) }
-      attribute(column_name, &type_definition)
+      col_name = column_name.to_s
+      enum_type = ->(subtype) do
+        subtype = subtype.subtype if ActiveRecord::Enum::EnumType === subtype
+        EnumType.new(col_name, send(col_name.pluralize), subtype)
+      end
+
+      if respond_to?(:decorate_attributes, true)
+        decorate_attributes([col_name]) { |_name, subtype| enum_type.call(subtype) }
+      else
+        attribute(column_name, &enum_type)
+      end
 
       prefix_str = format_affix(column_name, prefix, suffix: '_')
       suffix_str = format_affix(column_name, suffix, prefix: '_')
diff --git a/lib/sql_enum/enum_column.rb b/lib/sql_enum/enum_column.rb
index 786951d..4294c1c 100644
--- a/lib/sql_enum/enum_column.rb
+++ b/lib/sql_enum/enum_column.rb
@@ -9,15 +9,15 @@ def values
     private
 
     def schema_values
-      ActiveRecord::Base.connection.exec_query(schema_values_query).rows.dig(0, 0)
+      if ActiveRecord::Base.respond_to?(:with_connection)
+        ActiveRecord::Base.with_connection { |conn| conn.exec_query(schema_values_query).rows.dig(0, 0) }
+      else
+        ActiveRecord::Base.connection.exec_query(schema_values_query).rows.dig(0, 0)
+      end
     end
 
     def database_name
-      if ActiveRecord::Base.respond_to?(:connection_db_config)
-        ActiveRecord::Base.connection_db_config.configuration_hash[:database]
-      else
-        ActiveRecord::Base.connection_config.values_at(:database, :database_name).find(&:present?)
-      end
+      ActiveRecord::Base.connection_db_config.configuration_hash[:database]
     end
 
     def schema_values_query
diff --git a/lib/sql_enum/version.rb b/lib/sql_enum/version.rb
index b58f273..5666529 100644
--- a/lib/sql_enum/version.rb
+++ b/lib/sql_enum/version.rb
@@ -1,3 +1,3 @@
 module SqlEnum
-  VERSION = "1.0.0"
+  VERSION = "2.0.0"
 end
diff --git a/sql_enum-1.0.0.gem b/sql_enum-1.0.0.gem
new file mode 100644
index 0000000..653d457
Binary files /dev/null and b/sql_enum-1.0.0.gem differ
diff --git a/sql_enum.gemspec b/sql_enum.gemspec
index 686fc63..50e1269 100644
--- a/sql_enum.gemspec
+++ b/sql_enum.gemspec
@@ -25,9 +25,11 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.required_ruby_version = ">= 3.2.0"
+
   spec.add_dependency "mysql2"
-  spec.add_dependency "activesupport", ">= 6.1.0"
-  spec.add_dependency "activerecord", ">= 6.1.0"
+  spec.add_dependency "activesupport", ">= 7.1.0"
+  spec.add_dependency "activerecord", ">= 7.1.0"
 
   spec.add_development_dependency "appraisal"
   spec.add_development_dependency "awesome_print"