diff --git a/Gemfile b/Gemfile
index 7c2c3da..50fb810 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ group :development, :test do
   gem 'simplecov', require: false, platforms: [:mri]
   gem 'coveralls', require: false, platforms: [:mri]
 
-  gem 'activerecord', '~> 4.1'
+  gem 'activerecord', "~> 6.0"
   gem 'nokogiri', '~> 1.6'
   gem 'ox', '>= 2.1.2', platforms: [:mri, :rbx]
   gem 'oga', '>= 0.3.4'
diff --git a/spec/sax-machine/sax_activerecord_spec.rb b/spec/sax-machine/sax_activerecord_spec.rb
index 2c17fe4..4124c0d 100644
--- a/spec/sax-machine/sax_activerecord_spec.rb
+++ b/spec/sax-machine/sax_activerecord_spec.rb
@@ -3,7 +3,9 @@
 
 describe "SAXMachine ActiveRecord integration" do
   before do
-    class MySaxModel < ActiveRecord::Base
+    class MySaxModel
+      include ActiveModel::Model
+
       SAXMachine.configure(MySaxModel) do |c|
         c.element :title
       end