diff --git a/Gemfile.lock b/Gemfile.lock
index 900e1a2e..8697be97 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    dsu (2.4.4)
+    dsu (3.0.0.alpha.4)
       activemodel (>= 7.0.8, < 8.0)
       activesupport (>= 7.0.8, < 8.0)
       colorize (>= 1.1, < 2.0)
diff --git a/Rakefile b/Rakefile
index cca71754..dc93e767 100644
--- a/Rakefile
+++ b/Rakefile
@@ -10,3 +10,9 @@ require "rubocop/rake_task"
 RuboCop::RakeTask.new
 
 task default: %i[spec rubocop]
+
+desc 'Generate a migration timestamp'
+task :timestamp do
+  puts 'The below migration timestamp should be placed in the "lib/dsu/migration/version.rb" file.'
+  puts Time.now.strftime('%Y%m%d%H%M%S')
+end
diff --git a/current_project.bak b/current_project.bak
deleted file mode 100644
index b33cfdd7..00000000
--- a/current_project.bak
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "version": 20230613121411,
-  "project_name": "default"
-}
diff --git a/lib/dsu.rb b/lib/dsu.rb
index a6844d1d..8eb84bcd 100644
--- a/lib/dsu.rb
+++ b/lib/dsu.rb
@@ -33,14 +33,6 @@
       exit 1
     end
   end
-  # TODO: Hack. Integrate this into the migration service
-  # so that this runs only if the migration version changes.
-  %w[light.json christmas.json].each do |theme_file|
-    destination_theme_file_path = File.join(Dsu::Support::Fileable.themes_folder, theme_file)
-    next if File.exist?(destination_theme_file_path)
-
-    source_theme_file_path = File.join(Dsu::Support::Fileable.seed_data_folder, 'themes', theme_file)
-    FileUtils.cp(source_theme_file_path, destination_theme_file_path)
-    puts I18n.t('migrations.information.theme_copied', from: source_theme_file_path, to: destination_theme_file_path)
-  end
+
+  Dsu::Migration::Factory.migrate_if!
 end
diff --git a/lib/dsu/migration/factory.rb b/lib/dsu/migration/factory.rb
new file mode 100644
index 00000000..ffc5b639
--- /dev/null
+++ b/lib/dsu/migration/factory.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require_relative '../models/migration_version'
+require_relative 'service_20230613121411'
+require_relative 'version'
+
+module Dsu
+  module Migration
+    class Factory
+      class << self
+        def migrate_if!(options: {})
+          version = options.fetch(:version, migration_version)
+          if version == 20230613121411 # rubocop:disable Style/NumericLiterals
+            Service20230613121411.new(options: options).migrate!
+          end
+        end
+
+        private
+
+        def migration_version
+          @migration_version ||= Models::MigrationVersion.new.version
+        end
+      end
+    end
+  end
+end
diff --git a/lib/dsu/migration/service.rb b/lib/dsu/migration/service.rb
index d9ddbe28..7aeefb60 100644
--- a/lib/dsu/migration/service.rb
+++ b/lib/dsu/migration/service.rb
@@ -31,7 +31,7 @@ def call
 
       class << self
         def run_migrations?
-          Models::MigrationVersion.new.version < Dsu::Migration::VERSION
+          Models::MigrationVersion.new.version < 20230613121411 # rubocop:disable Style/NumericLiterals
         end
       end
 
diff --git a/lib/dsu/migration/service_20230613121411.rb b/lib/dsu/migration/service_20230613121411.rb
new file mode 100644
index 00000000..f3345d77
--- /dev/null
+++ b/lib/dsu/migration/service_20230613121411.rb
@@ -0,0 +1,171 @@
+# frozen_string_literal: true
+
+require_relative '../support/fileable'
+require_relative 'version'
+
+# TODO: Read raw configuration .json file
+# If default_project is not set...
+#   - Add default_project to configuration .json file and write it out.
+#   - Reload the configuration file.
+#   - Create a Models::Project object for the default project and initialize/save it.
+#   - Move the old entries folder into the default project folder.
+# TODO: Add default_project to configuration .json file
+module Dsu
+  module Migration
+    class Service20230613121411
+      include Support::Fileable
+
+      def initialize(options: {})
+        @options = options || {}
+      end
+
+      def migrate!
+        puts 'Running migrations...'
+        puts
+
+        puts "options[:pretend] is true\n" if pretend?
+
+        raise_wrong_migration_version_error_if!
+
+        puts "Migrating from: #{target_migration_version} to version: #{Migration::VERSION}"
+        puts
+
+        add_new_color_themes
+        backup
+        create_default_project
+        update_configuration
+        update_entry_groups
+        update_color_themes
+        delete_old_entry_folder
+        delete_old_theme_folder
+
+        puts 'Migration completed successfully.'
+      end
+
+      private
+
+      attr_reader :options
+
+      def pretend?
+        options.fetch(:pretend, true)
+      end
+
+      def add_new_color_themes
+        puts 'Copying new color themes...'
+        puts
+
+        %w[light.json christmas.json].each do |theme_file|
+          destination_theme_file_path = File.join(Dsu::Support::Fileable.themes_folder, theme_file)
+          next if File.exist?(destination_theme_file_path)
+
+          source_theme_file_path = File.join(Dsu::Support::Fileable.seed_data_folder, 'themes', theme_file)
+          FileUtils.cp(source_theme_file_path, destination_theme_file_path) unless pretend?
+          puts I18n.t('migrations.information.theme_copied', from: source_theme_file_path, to: destination_theme_file_path)
+        end
+      end
+
+      def backup
+        return if Dir.exist?(backup_folder)
+
+        puts 'Creating backup...'
+        puts
+
+        FileUtils.cp_r(dsu_folder, backup_folder) unless pretend?
+      end
+
+      def create_default_project
+        default_project = Models::Configuration::DEFAULT_CONFIGURATION[:default_project]
+        return if Models::Project.project_initialized?(project_name: default_project)
+
+        puts "Creating default project \"#{default_project}\"..."
+        puts
+
+        Models::Project.create(project_name: default_project, options: options) unless pretend?
+      end
+
+      def update_configuration
+        puts 'Updating configuration...'
+        puts
+
+        Models::Configuration.new.write! unless pretend?
+      end
+
+      def update_entry_groups
+        puts 'Updating entry groups...'
+        puts
+
+        return if Dir.exist?(entries_folder) || pretend?
+
+        puts 'Copying entries to default project...'
+        puts
+
+        FileUtils.mkdir_p(entries_folder)
+        FileUtils.cp_r(File.join(backup_folder, 'entries', '.'), entries_folder)
+
+        puts 'Updating entry group version...'
+        puts
+
+        Models::EntryGroup.all.each do |entry_group|
+          puts "Updating entry group version: #{entry_group.time_yyyy_mm_dd}..."
+          entry_group.version = Dsu::Migration::VERSION
+          entry_group.save! unless pretend?
+        end
+      end
+
+      def update_color_themes
+        puts 'Updating color themes...'
+        puts
+
+        return if Dir.exist?(themes_folder) || pretend?
+
+        puts 'Copying color themes...'
+        puts
+
+        FileUtils.mkdir_p(themes_folder)
+        FileUtils.cp_r(File.join(backup_folder, 'themes', '.'), themes_folder)
+
+        puts 'Updating color theme version...'
+        puts
+
+        Models::ColorTheme.all.each do |color_theme|
+          puts "Updating color theme version: #{color_theme.theme_name}..."
+          color_theme.version = Dsu::Migration::VERSION
+          color_theme.save! unless pretend?
+        end
+      end
+
+      def delete_old_entry_folder
+        puts 'Cleaning up old entries...'
+        puts
+
+        FileUtils.rm_rf(File.join(dsu_folder, 'entries')) unless pretend?
+      end
+
+      def delete_old_theme_folder
+        puts 'Cleaning up old themes...'
+        puts
+
+        FileUtils.rm_rf(File.join(dsu_folder, 'themes')) unless pretend?
+      end
+
+      def backup_folder
+        @backup_folder ||= File.join(dsu_folder, target_migration_version.to_s)
+      end
+
+      def target_migration_version
+        20230613121411 # rubocop:disable Style/NumericLiterals
+      end
+
+      def raise_wrong_migration_version_error_if!
+        return if migration_version == target_migration_version
+
+        raise "Actual migration version #{migration_version} " \
+              "is not the expected migration version #{target_migration_version}."
+      end
+
+      def migration_version
+        @migration_version ||= Models::MigrationVersion.new.version
+      end
+    end
+  end
+end
diff --git a/lib/dsu/migration/version.rb b/lib/dsu/migration/version.rb
index 4bc6a3fd..c3415d63 100644
--- a/lib/dsu/migration/version.rb
+++ b/lib/dsu/migration/version.rb
@@ -2,6 +2,6 @@
 
 module Dsu
   module Migration
-    VERSION = 20230613121411 # rubocop:disable Style/NumericLiterals
+    VERSION = 20240210161248 # rubocop:disable Style/NumericLiterals
   end
 end
diff --git a/lib/dsu/models/migration_version.rb b/lib/dsu/models/migration_version.rb
index 6fcc9451..0164e2e8 100644
--- a/lib/dsu/models/migration_version.rb
+++ b/lib/dsu/models/migration_version.rb
@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require 'active_model'
 require_relative '../crud/json_file'
 require_relative '../services/migration_version/hydrator_service'
 require_relative '../validators/version_validator'
diff --git a/lib/dsu/version.rb b/lib/dsu/version.rb
index a9922d1b..391337f7 100644
--- a/lib/dsu/version.rb
+++ b/lib/dsu/version.rb
@@ -2,5 +2,5 @@
 
 module Dsu
   VERSION_REGEX = /\A\d+\.\d+\.\d+(\.(alpha|rc)\.\d+)?\z/
-  VERSION = '2.4.4'
+  VERSION = '3.0.0.alpha.5'
 end
diff --git a/spec/dsu/migration/service_spec.rb b/spec/dsu/migration/service_spec.rb
index 98f5ac56..708999dd 100644
--- a/spec/dsu/migration/service_spec.rb
+++ b/spec/dsu/migration/service_spec.rb
@@ -47,9 +47,9 @@
         end
       end
 
-      context 'when the migration version less than the current version' do
+      context 'when the migration version less than 20230613121411' do
         before do
-          create(:migration_version, version: Dsu::Migration::VERSION - 1)
+          create(:migration_version, version: 20230613121411 - 1) # rubocop:disable Style/NumericLiterals
         end
 
         it 'returns true' do
diff --git a/spec/dsu/models/color_theme_spec.rb b/spec/dsu/models/color_theme_spec.rb
index 0547994d..025c2fc1 100644
--- a/spec/dsu/models/color_theme_spec.rb
+++ b/spec/dsu/models/color_theme_spec.rb
@@ -75,7 +75,7 @@
 
   describe 'constants' do
     it 'defines VERSION' do
-      expect(described_class::VERSION).to eq 20230613121411 # rubocop:disable Style/NumericLiterals
+      expect(described_class::VERSION).to eq 20240210161248 # rubocop:disable Style/NumericLiterals
     end
 
     it_behaves_like 'the version is a valid version'
diff --git a/spec/fixtures/files/current_project.json b/spec/fixtures/files/current_project.json
index b33cfdd7..a8ca6e5c 100644
--- a/spec/fixtures/files/current_project.json
+++ b/spec/fixtures/files/current_project.json
@@ -1,4 +1,4 @@
 {
-  "version": 20230613121411,
+  "version": 20240210161248,
   "project_name": "default"
 }
diff --git a/spec/fixtures/files/entries/2023-06-15.json b/spec/fixtures/files/entries/2023-06-15.json
index a1c07a67..56dfa5e7 100644
--- a/spec/fixtures/files/entries/2023-06-15.json
+++ b/spec/fixtures/files/entries/2023-06-15.json
@@ -1,6 +1,6 @@
 {
   "time": "2023-06-15 20:34:09 -0400",
-  "version": 20230613121411,
+  "version": 20240210161248,
   "entries": [
     {
       "description": "20230615 description 0"
diff --git a/spec/fixtures/files/entries/2023-06-16.json b/spec/fixtures/files/entries/2023-06-16.json
index c3cf4bbb..a49318eb 100644
--- a/spec/fixtures/files/entries/2023-06-16.json
+++ b/spec/fixtures/files/entries/2023-06-16.json
@@ -1,6 +1,6 @@
 {
   "time": "2023-06-16 20:33:40 -0400",
-  "version": 20230613121411,
+  "version": 20240210161248,
   "entries": [
     {
       "description": "20230616 description 0"
diff --git a/spec/fixtures/files/entries/2023-06-17.json b/spec/fixtures/files/entries/2023-06-17.json
index 042f23b1..e1174c19 100644
--- a/spec/fixtures/files/entries/2023-06-17.json
+++ b/spec/fixtures/files/entries/2023-06-17.json
@@ -1,6 +1,6 @@
 {
   "time": "2023-06-17 20:34:26 -0400",
-  "version": 20230613121411,
+  "version": 20240210161248,
   "entries": [
     {
       "description": "20230617 description 0"
diff --git a/spec/fixtures/files/import-with-duplicate-errors.csv b/spec/fixtures/files/import-with-duplicate-errors.csv
index 69f57c9b..af64dbdf 100644
--- a/spec/fixtures/files/import-with-duplicate-errors.csv
+++ b/spec/fixtures/files/import-with-duplicate-errors.csv
@@ -1,5 +1,5 @@
 project_name,version,entry_group,entry_no,total_entries,entry_group_entry
-default,20230613121411,2023-12-31,1,2,Entry 2023-12-31 duplicate
-default,20230613121411,2023-12-31,2,2,Entry 2023-12-31 duplicate
-default,20230613121411,2024-01-01,1,1,Entry 2024-01-01 1 of 2
-default,20230613121411,2024-01-02,1,1,Entry 2024-01-02 2 of 2
+default,20240210161248,2023-12-31,1,2,Entry 2023-12-31 duplicate
+default,20240210161248,2023-12-31,2,2,Entry 2023-12-31 duplicate
+default,20240210161248,2024-01-01,1,1,Entry 2024-01-01 1 of 2
+default,20240210161248,2024-01-02,1,1,Entry 2024-01-02 2 of 2
diff --git a/spec/fixtures/files/import-with-errors.csv b/spec/fixtures/files/import-with-errors.csv
index 84cf9270..f40bda56 100644
--- a/spec/fixtures/files/import-with-errors.csv
+++ b/spec/fixtures/files/import-with-errors.csv
@@ -1,5 +1,5 @@
 project_name,version,entry_group,entry_no,total_entries,entry_group_entry
-default,20230613121411,2023-12-31,1,2,
-default,20230613121411,2023-12-31,2,2,
-default,20230613121411,2024-01-01,1,1,
-default,20230613121411,2024-01-02,1,1,
+default,20240210161248,2023-12-31,1,2,
+default,20240210161248,2023-12-31,2,2,
+default,20240210161248,2024-01-01,1,1,
+default,20240210161248,2024-01-02,1,1,
diff --git a/spec/fixtures/files/import.csv b/spec/fixtures/files/import.csv
index a5a89d0c..0ad85cb6 100644
--- a/spec/fixtures/files/import.csv
+++ b/spec/fixtures/files/import.csv
@@ -1,5 +1,5 @@
 project_name,version,entry_group,entry_no,total_entries,entry_group_entry
-default,20230613121411,2023-12-31,1,2,Entry 2023-12-31 1 of 2
-default,20230613121411,2023-12-31,2,2,Entry 2023-12-31 2 of 2
-default,20230613121411,2024-01-01,1,1,Entry 2024-01-01 1 of 1
-default,20230613121411,2024-01-02,1,1,Entry 2024-01-02 1 of 1
+default,20240210161248,2023-12-31,1,2,Entry 2023-12-31 1 of 2
+default,20240210161248,2023-12-31,2,2,Entry 2023-12-31 2 of 2
+default,20240210161248,2024-01-01,1,1,Entry 2024-01-01 1 of 1
+default,20240210161248,2024-01-02,1,1,Entry 2024-01-02 1 of 1
diff --git a/spec/fixtures/files/nothing-to-import.csv b/spec/fixtures/files/nothing-to-import.csv
index 617ec05d..d537f7f5 100644
--- a/spec/fixtures/files/nothing-to-import.csv
+++ b/spec/fixtures/files/nothing-to-import.csv
@@ -1,5 +1,5 @@
 project_name,version,entry_group,entry_no,total_entries,entry_group_entry
-bad-project,20230613121411,2023-12-31,1,2,Entry 2023-12-31 1 of 2
-bad-project,20230613121411,2023-12-31,2,2,Entry 2023-12-31 2 of 2
-bad-project,20230613121411,2024-01-01,1,1,Entry 2024-01-01 1 of 1
-bad-project,20230613121411,2024-01-02,1,1,Entry 2024-01-02 1 of 1
+bad-project,20240210161248,2023-12-31,1,2,Entry 2023-12-31 1 of 2
+bad-project,20240210161248,2023-12-31,2,2,Entry 2023-12-31 2 of 2
+bad-project,20240210161248,2024-01-01,1,1,Entry 2024-01-01 1 of 1
+bad-project,20240210161248,2024-01-02,1,1,Entry 2024-01-02 1 of 1
diff --git a/spec/fixtures/files/project.json b/spec/fixtures/files/project.json
index e10263cd..c3bbf09b 100644
--- a/spec/fixtures/files/project.json
+++ b/spec/fixtures/files/project.json
@@ -1,5 +1,5 @@
 {
-  "version": 20230613121411,
+  "version": 20240210161248,
   "project_name": "default",
   "description": "Default project"
 }