diff --git a/Appraisals b/Appraisals
index a5cb7356..075f1126 100644
--- a/Appraisals
+++ b/Appraisals
@@ -84,8 +84,7 @@ if min_ruby_version.call('3.2.0') && RUBY_ENGINE != 'jruby'
     gem 'rails', '~> 8.0.0'
     gem 'rspec-rails', '~> 8.0'
     gem 'psych', '>= 4'
-    gem 'sprockets-rails', '~> 3.5.2'
-    gem 'sqlite3', '~> 1', platform: :ruby
+    gem 'sqlite3', '>= 2.1', platform: :ruby
   end
 end
 
diff --git a/config.gemspec b/config.gemspec
index 91ecd58d..63b1bbd1 100644
--- a/config.gemspec
+++ b/config.gemspec
@@ -42,8 +42,11 @@ Gem::Specification.new do |s|
     gems_to_install = /gem "(.*?)", "(.*?)"(?!, platform: (?!\[:ruby\]))/
 
     if Dir.exist?('gemfiles')
-      File.read(Dir['gemfiles/rails*.gemfile'].sort.last).scan(gems_to_install) do |name, version|
-        s.add_development_dependency name, version
+      rails_gemfiles = Dir['gemfiles/rails*.gemfile'].sort
+      unless rails_gemfiles.empty?
+        File.read(rails_gemfiles.last).scan(gems_to_install) do |name, version|
+          s.add_development_dependency name, version
+        end
       end
     end
   end
diff --git a/spec/app/rails_8.0/config/initializers/assets.rb b/spec/app/rails_8.0/config/initializers/assets.rb
index 48732442..a80efb15 100644
--- a/spec/app/rails_8.0/config/initializers/assets.rb
+++ b/spec/app/rails_8.0/config/initializers/assets.rb
@@ -1,7 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
+# Rails 8.0 uses Propshaft instead of Sprockets
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = "1.0"
+# Rails.application.config.assets.version = "1.0"
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 9becdaa4..aff76763 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -43,7 +43,12 @@
 
   # Configure
   RSpec.configure do |config|
-    config.fixture_path = FixtureHelper::FIXTURE_PATH
+    # Use fixture_paths (plural) for newer versions of RSpec
+    if config.respond_to?(:fixture_paths)
+      config.fixture_paths = [FixtureHelper::FIXTURE_PATH]
+    else
+      config.fixture_path = FixtureHelper::FIXTURE_PATH
+    end
   end
 
 when 'sinatra'