diff --git a/.circleci/config.yml b/.circleci/config.yml
index ae8952ed647..1e753503a88 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -160,23 +160,23 @@ commands:
             ruby -v >> /tmp/.ruby-versions
             gem --version >> /tmp/.gems-versions
             bundle --version >> /tmp/.gems-versions
-            gem search -eq rails -v "~> 7" -v "< 7.2" >> /tmp/.gems-versions # get the latest rails from rubygems
+            gem search -eq rails -v "~> 7" -v "< 8.0" >> /tmp/.gems-versions # get the latest rails from rubygems
             gem search -eq solidus >> /tmp/.gems-versions # get the latest solidus from rubygems
 
             cat /tmp/.ruby-versions
             cat /tmp/.gems-versions
       - restore_cache:
           keys:
-            - solidus-installer-v10-{{ checksum "/tmp/.ruby-versions" }}-{{ checksum "/tmp/.gems-versions" }}
-            - solidus-installer-v10-{{ checksum "/tmp/.ruby-versions" }}-
+            - solidus-installer-v11-{{ checksum "/tmp/.ruby-versions" }}-{{ checksum "/tmp/.gems-versions" }}
+            - solidus-installer-v11-{{ checksum "/tmp/.ruby-versions" }}-
       - run:
           name: "Prepare the rails application"
           command: |
             cd /tmp
-            test -d my_app || (gem install rails -v "< 7.1" && gem install solidus)
+            test -d my_app || (gem install rails -v "< 8.0" && gem install solidus)
             test -d my_app || rails new my_app --skip-git
       - save_cache:
-          key: solidus-installer-v10-{{ checksum "/tmp/.ruby-versions" }}-{{ checksum "/tmp/.gems-versions" }}
+          key: solidus-installer-v11-{{ checksum "/tmp/.ruby-versions" }}-{{ checksum "/tmp/.gems-versions" }}
           paths:
             - /tmp/my_app
             - /home/circleci/.rubygems
@@ -224,8 +224,8 @@ commands:
             mkdir -p /tmp/dummy_extension
             cd /tmp/dummy_extension
             bundle init
-            bundle add rails -v "< 7.1" --skip-install
-            bundle add sqlite3 -v "~> 1.3" --skip-install
+            bundle add rails -v "< 8.0" --skip-install
+            bundle add sqlite3 -v "~> 2.0" --skip-install
             test -n "<<parameters.extra_gems>>" && bundle add <<parameters.extra_gems>> --skip-install
             bundle add solidus --path "$(ruby -e"puts File.expand_path ENV['CIRCLE_WORKING_DIRECTORY']")"
             export LIB_NAME=set # dummy requireable file
@@ -374,7 +374,7 @@ workflows:
             {
               parameters:
                 {
-                  rails: ["7.0", "7.1"],
+                  rails: ["7.0", "7.1", "7.2"],
                   ruby: ["3.1"],
                   database: ["mysql"],
                   paperclip: [true],
@@ -386,7 +386,7 @@ workflows:
             {
               parameters:
                 {
-                  rails: ["7.0", "7.1"],
+                  rails: ["7.0", "7.1", "7.2"],
                   ruby: ["3.1"],
                   database: ["postgres"],
                   paperclip: [false],
@@ -398,7 +398,7 @@ workflows:
             {
               parameters:
                 {
-                  rails: ["7.0"],
+                  rails: ["7.1"],
                   ruby: ["3.2"],
                   database: ["sqlite"],
                   paperclip: [false],
@@ -410,8 +410,8 @@ workflows:
             {
               parameters:
                 {
-                  rails: ["7.1", "main"],
-                  ruby: ["3.3.2"],
+                  rails: ["7.2", "main"],
+                  ruby: ["3.3.5"],
                   database: ["sqlite"],
                   paperclip: [false],
                 },
diff --git a/Gemfile b/Gemfile
index ec5e8fed53c..7f69dd3a643 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gemspec require: false
 if /(stable|main)/.match? ENV['RAILS_VERSION']
   gem 'rails', github: 'rails', require: false, branch: ENV['RAILS_VERSION']
 else
-  gem 'rails', ENV['RAILS_VERSION'] || '< 7.2', require: false
+  gem 'rails', ENV['RAILS_VERSION'] || ['> 7.0', '< 8.0.0.beta1'], require: false
 end
 # rubocop:enable Bundler/DuplicatedGem
 
diff --git a/backend/spec/features/admin/orders/customer_returns_spec.rb b/backend/spec/features/admin/orders/customer_returns_spec.rb
index 927fbdcdc91..a3d8d98a3b5 100644
--- a/backend/spec/features/admin/orders/customer_returns_spec.rb
+++ b/backend/spec/features/admin/orders/customer_returns_spec.rb
@@ -50,7 +50,7 @@ def expect_order_state_label_to_eq(text)
         within('[data-hook="rejected_return_items"] tbody tr:nth-child(1)') do
           click_button('Receive')
 
-          expect(page).to have_button("Receive", disabled: true)
+          expect(page).to have_button("Receive", disabled: true, wait: 5)
         end
       end
 
diff --git a/core/app/models/spree/tax_rate.rb b/core/app/models/spree/tax_rate.rb
index 629cd2a1249..19abc4c2953 100644
--- a/core/app/models/spree/tax_rate.rb
+++ b/core/app/models/spree/tax_rate.rb
@@ -11,10 +11,10 @@ class TaxRate < Spree::Base
     include Spree::CalculatedAdjustments
     include Spree::AdjustmentSource
 
-    enum level: {
+    enum :level, {
       item: 0,
       order: 1
-    }, _suffix: true
+    }, suffix: true
 
     belongs_to :zone, class_name: "Spree::Zone", inverse_of: :tax_rates, optional: true
 
diff --git a/core/lib/generators/solidus/install/app_templates/frontend/starter.rb b/core/lib/generators/solidus/install/app_templates/frontend/starter.rb
index 7a6c7ee377d..2e40f15aaec 100644
--- a/core/lib/generators/solidus/install/app_templates/frontend/starter.rb
+++ b/core/lib/generators/solidus/install/app_templates/frontend/starter.rb
@@ -1 +1 @@
-apply 'https://github.com/solidusio/solidus_starter_frontend/raw/main/template.rb'
+apply 'https://github.com/solidusio/solidus_starter_frontend/raw/rails-7.2/template.rb'
diff --git a/core/lib/spree/testing_support/dummy_app.rb b/core/lib/spree/testing_support/dummy_app.rb
index f9e9ed64f8b..8b9c4591235 100644
--- a/core/lib/spree/testing_support/dummy_app.rb
+++ b/core/lib/spree/testing_support/dummy_app.rb
@@ -20,6 +20,7 @@ class ApplicationController < ActionController::Base
 
 # @private
 class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
 end
 
 # @private
diff --git a/core/lib/spree/testing_support/dummy_app/migrations.rb b/core/lib/spree/testing_support/dummy_app/migrations.rb
index 79d0e3d0c74..2a0a504ab1c 100644
--- a/core/lib/spree/testing_support/dummy_app/migrations.rb
+++ b/core/lib/spree/testing_support/dummy_app/migrations.rb
@@ -4,21 +4,6 @@ module DummyApp
   module Migrations
     extend self
 
-    # Ensure database exists
-    def database_exists?
-      ActiveRecord::Base.connection
-    rescue ActiveRecord::NoDatabaseError
-      false
-    else
-      true
-    end
-
-    def needs_migration?
-      return true if !database_exists?
-
-      ActiveRecord::Base.connection.migration_context.needs_migration?
-    end
-
     def auto_migrate
       if needs_migration?
         puts "Configuration changed. Re-running migrations"
@@ -35,6 +20,14 @@ def auto_migrate
 
     private
 
+    def needs_migration?
+      ActiveRecord::Migration.check_all_pending!
+    rescue ActiveRecord::PendingMigrationError, ActiveRecord::NoDatabaseError
+      true
+    else
+      false
+    end
+
     def sh(cmd)
       puts cmd
       system cmd
diff --git a/core/solidus_core.gemspec b/core/solidus_core.gemspec
index b70cbb581d3..330e7f81306 100644
--- a/core/solidus_core.gemspec
+++ b/core/solidus_core.gemspec
@@ -27,12 +27,12 @@ Gem::Specification.new do |s|
     actionmailer actionpack actionview activejob activemodel activerecord
     activestorage activesupport railties
   ].each do |rails_dep|
-    s.add_dependency rails_dep, ['>= 7.0', '< 7.2']
+    s.add_dependency rails_dep, ['>= 7.0', '< 8.0.0.beta1']
   end
 
   s.add_dependency 'activemerchant', '~> 1.66'
   s.add_dependency 'acts_as_list', '< 2.0'
-  s.add_dependency 'awesome_nested_set', '~> 3.3'
+  s.add_dependency 'awesome_nested_set', ['~> 3.3', '>= 3.7.0']
   s.add_dependency 'cancancan', ['>= 2.2', '< 4.0']
   s.add_dependency 'carmen', '~> 1.1.0'
   s.add_dependency 'discard', '~> 1.0'
diff --git a/promotions/app/models/solidus_promotions/promotion.rb b/promotions/app/models/solidus_promotions/promotion.rb
index 377bd28e31e..e36015facac 100644
--- a/promotions/app/models/solidus_promotions/promotion.rb
+++ b/promotions/app/models/solidus_promotions/promotion.rb
@@ -37,7 +37,7 @@ class Promotion < Spree::Base
       joins(:benefits).distinct
     end
 
-    enum lane: SolidusPromotions.config.preferred_lanes
+    enum :lane, SolidusPromotions.config.preferred_lanes
 
     def self.with_coupon_code(val)
       joins(:codes).where(