diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3604d72a..be1ef061 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,21 +17,17 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version:
-          - "3.1"
           - "3.2"
           - "3.3"
+          - "3.4"
         alchemy:
-          - "7.2-stable"
-          - "7.3-stable"
-          - "7.4-stable"
+          - "8.0-stable"
         solidus:
-          - "v4.1"
-          - "v4.2"
-          - "v4.3"
           - "v4.4"
     env:
       ALCHEMY_BRANCH: ${{ matrix.alchemy }}
       SOLIDUS_BRANCH: ${{ matrix.solidus }}
+      SOLIDUS_SKIP_MIGRATIONS_CHECK: true
     steps:
       - uses: actions/checkout@v4
       - name: Set up Ruby
diff --git a/Gemfile b/Gemfile
index 8e906387..27651174 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,15 +5,14 @@ gem "solidus_core", github: "solidusio/solidus", branch: solidus_branch
 gem "solidus_backend", github: "solidusio/solidus", branch: solidus_branch
 gem "solidus_frontend", github: "solidusio/solidus_frontend", branch: "main"
 
-alchemy_branch = ENV.fetch("ALCHEMY_BRANCH", "7.4-stable")
+alchemy_branch = ENV.fetch("ALCHEMY_BRANCH", "8.0-stable")
 gem "alchemy_cms", github: "AlchemyCMS/alchemy_cms", branch: alchemy_branch
-
-gem "alchemy-devise", github: "AlchemyCMS/alchemy-devise", branch: "7.4-stable"
+gem "alchemy-devise", github: "AlchemyCMS/alchemy-devise", branch: alchemy_branch
 
 # Specify your gem's dependencies in alchemy-solidus.gemspec
 gemspec
 
-gem "sqlite3", "~> 1.4"
+gem "sqlite3", "~> 2.7"
 gem "pry-rails"
 gem "sprockets", "~> 4.0"
 gem "jsbundling-rails", "~> 1.1"
@@ -36,3 +35,5 @@ group :lint do
   gem "rubocop", require: false
   gem "standard", "~> 1.25", require: false
 end
+
+gem "ruby-lsp-rspec", "~> 0.1.28"
diff --git a/alchemy-solidus.gemspec b/alchemy-solidus.gemspec
index 9fe734a8..e022bcd6 100644
--- a/alchemy-solidus.gemspec
+++ b/alchemy-solidus.gemspec
@@ -14,13 +14,14 @@ Gem::Specification.new do |gem|
   gem.require_paths = ["lib"]
   gem.version = Alchemy::Solidus::VERSION
 
-  gem.add_dependency("alchemy_cms", [">= 7.2.0", "< 8"])
+  gem.add_dependency("alchemy_cms", [">= 7.2.0", "< 9"])
+  gem.add_dependency("solidus_api", [">= 4.0.0", "< 5"])
   gem.add_dependency("solidus_core", [">= 4.0.0", "< 5"])
   gem.add_dependency("solidus_backend", [">= 4.0.0", "< 5"])
   gem.add_dependency("solidus_support", [">= 0.14.0", "< 1"])
   gem.add_dependency("deface", ["~> 1.0"])
 
-  gem.add_development_dependency("rspec-rails", ["~> 6.0"])
+  gem.add_development_dependency("rspec-rails", ["~> 8.0"])
   gem.add_development_dependency("shoulda-matchers", ["~> 4.0"])
   gem.add_development_dependency("capybara", ["~> 3.0"])
   gem.add_development_dependency("capybara-screenshot", ["~> 1.0"])
diff --git a/app/assets/config/alchemy_solidus/manifest.js b/app/assets/config/alchemy_solidus/manifest.js
index 00cfa018..6d70eb23 100644
--- a/app/assets/config/alchemy_solidus/manifest.js
+++ b/app/assets/config/alchemy_solidus/manifest.js
@@ -1 +1,2 @@
 //= link_tree ../../../javascript .js
+//= link spree.js
diff --git a/app/assets/javascripts/alchemy/solidus/admin.js b/app/assets/javascripts/alchemy/solidus/admin.js
deleted file mode 100644
index 52e9ebc1..00000000
--- a/app/assets/javascripts/alchemy/solidus/admin.js
+++ /dev/null
@@ -1 +0,0 @@
-//= require spree
diff --git a/app/javascript/alchemy_solidus.js b/app/javascript/alchemy_solidus.js
index a4a46100..ad35541b 100644
--- a/app/javascript/alchemy_solidus.js
+++ b/app/javascript/alchemy_solidus.js
@@ -1,3 +1,4 @@
+import "spree"
 import "alchemy_solidus/components/product_select"
 import "alchemy_solidus/components/taxon_select"
 import "alchemy_solidus/components/variant_select"
diff --git a/config/importmap.rb b/config/importmap.rb
index f70e9a73..000e22e0 100644
--- a/config/importmap.rb
+++ b/config/importmap.rb
@@ -1,3 +1,4 @@
 Alchemy.importmap.pin "alchemy_solidus", to: "alchemy_solidus.js", preload: true
 Alchemy.importmap.pin_all_from Alchemy::Solidus::Engine.root.join("app/javascript/alchemy_solidus"),
   under: "alchemy_solidus", preload: true
+Alchemy.importmap.pin "spree", to: "spree.js", preload: true
diff --git a/config/initializers/alchemy.rb b/config/initializers/alchemy.rb
index 1619fab9..1f5cbded 100644
--- a/config/initializers/alchemy.rb
+++ b/config/initializers/alchemy.rb
@@ -47,5 +47,5 @@
 
 Rails.application.config.after_initialize do
   Alchemy::Modules.register_module(alchemy_module)
-  Alchemy.link_dialog_tabs.add(Alchemy::Admin::LinkDialog::ProductTab)
+  Alchemy.config.link_dialog_tabs.add("Alchemy::Admin::LinkDialog::ProductTab")
 end
diff --git a/lib/alchemy/solidus/engine.rb b/lib/alchemy/solidus/engine.rb
index 075f2186..76c2812d 100644
--- a/lib/alchemy/solidus/engine.rb
+++ b/lib/alchemy/solidus/engine.rb
@@ -1,5 +1,6 @@
 require "alchemy_cms"
 require "alchemy/version"
+require "solidus_api"
 require "solidus_core"
 require "solidus_backend"
 require "solidus_support"
@@ -14,10 +15,11 @@ module Alchemy
   module Solidus
     class Engine < ::Rails::Engine
       include SolidusSupport::EngineExtensions
+
       engine_name "alchemy_solidus"
 
       initializer "alchemy_solidus.assets", before: "alchemy.importmap" do |app|
-        Alchemy.admin_importmaps.add({
+        Alchemy.config.admin_importmaps.add({
           importmap_path: root.join("config/importmap.rb"),
           source_paths: [
             root.join("app/javascript")
diff --git a/lib/generators/alchemy/solidus/install/install_generator.rb b/lib/generators/alchemy/solidus/install/install_generator.rb
index 946e1598..a3734e4b 100644
--- a/lib/generators/alchemy/solidus/install/install_generator.rb
+++ b/lib/generators/alchemy/solidus/install/install_generator.rb
@@ -149,11 +149,6 @@ def set_root_route
         end
       end
 
-      def append_assets
-        append_file "vendor/assets/javascripts/alchemy/admin/all.js",
-          "//= require alchemy/solidus/admin.js"
-      end
-
       private
 
       def alchemy_devise_present?
diff --git a/spec/features/alchemy/link_overlay_spec.rb b/spec/features/alchemy/link_overlay_spec.rb
index 6378bdbb..3faabd17 100644
--- a/spec/features/alchemy/link_overlay_spec.rb
+++ b/spec/features/alchemy/link_overlay_spec.rb
@@ -26,12 +26,12 @@
     authorize_user admin_user
 
     allow(element).to receive(:definition) do
-      {
+      Alchemy::ElementDefinition.new(
         name: "article",
         ingredients: [
           {role: "headline", type: "Text", settings: {linkable: true}}
         ]
-      }
+      )
     end
 
     element.save!
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index caa96607..ffb559b9 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -75,8 +75,6 @@
 Capybara.server = :puma, {Silent: true}
 
 RSpec.configure do |config|
-  # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
-  config.fixture_path = "#{::Rails.root}/spec/fixtures"
   config.include Alchemy::TestSupport::IntegrationHelpers, type: :feature
   config.include Alchemy::TestSupport::CapybaraHelpers, type: :feature
   config.include ActiveSupport::Testing::TimeHelpers, type: :model
diff --git a/spec/views/alchemy/ingredients/spree_product_editor_spec.rb b/spec/views/alchemy/ingredients/spree_product_editor_spec.rb
index 39c6ce11..79adcfc4 100644
--- a/spec/views/alchemy/ingredients/spree_product_editor_spec.rb
+++ b/spec/views/alchemy/ingredients/spree_product_editor_spec.rb
@@ -9,7 +9,7 @@
 
   before do
     allow(element).to receive(:definition) do
-      {
+      Alchemy::ElementDefinition.new(
         name: "all_you_can_eat",
         ingredients: [
           {role: "product",
@@ -19,7 +19,7 @@
           {role: "taxon",
            type: "SpreeTaxon"}
         ]
-      }
+      )
     end
 
     allow(element_editor).to receive(:ingredients) { [Alchemy::IngredientEditor.new(ingredient)] }
diff --git a/spec/views/alchemy/ingredients/spree_taxon_editor_spec.rb b/spec/views/alchemy/ingredients/spree_taxon_editor_spec.rb
index bfdaa0b2..5703a5f5 100644
--- a/spec/views/alchemy/ingredients/spree_taxon_editor_spec.rb
+++ b/spec/views/alchemy/ingredients/spree_taxon_editor_spec.rb
@@ -9,7 +9,7 @@
 
   before do
     allow(element).to receive(:definition) do
-      {
+      Alchemy::ElementDefinition.new(
         name: "all_you_can_eat",
         ingredients: [
           {role: "product",
@@ -19,7 +19,7 @@
           {role: "taxon",
            type: "SpreeTaxon"}
         ]
-      }
+      )
     end
 
     allow(element_editor).to receive(:ingredients) { [Alchemy::IngredientEditor.new(ingredient)] }
diff --git a/spec/views/alchemy/ingredients/spree_variant_editor_spec.rb b/spec/views/alchemy/ingredients/spree_variant_editor_spec.rb
index 58765977..04d4960c 100644
--- a/spec/views/alchemy/ingredients/spree_variant_editor_spec.rb
+++ b/spec/views/alchemy/ingredients/spree_variant_editor_spec.rb
@@ -9,7 +9,7 @@
 
   before do
     allow(element).to receive(:definition) do
-      {
+      Alchemy::ElementDefinition.new(
         name: "all_you_can_eat",
         ingredients: [
           {role: "product",
@@ -19,7 +19,7 @@
           {role: "taxon",
            type: "SpreeTaxon"}
         ]
-      }
+      )
     end
 
     allow(element_editor).to receive(:ingredients) { [Alchemy::IngredientEditor.new(ingredient)] }