diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b8d8780..599e7df 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        ruby: [2.5, 2.6, 2.7, '3.0', 3.1, 'head']
+        ruby: [2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 'head']
         rails: [4, 5, 6, 7, 'head']
         exclude:
           - ruby: 2.5
@@ -57,6 +57,10 @@ jobs:
             rails: 4
           - ruby: 3.1
             rails: 5
+          - ruby: 3.2
+            rails: 4
+          - ruby: 3.2
+            rails: 5
           - ruby: head
             rails: 4
           - ruby: head
diff --git a/Appraisals b/Appraisals
index 9e53280..7e5679c 100644
--- a/Appraisals
+++ b/Appraisals
@@ -9,6 +9,7 @@ end
 
 appraise 'rails-5' do
   gem 'activerecord', '~> 5.2.0'
+  gem 'psych', '~> 3.1'
 end
 
 appraise 'rails-6' do
diff --git a/gemfiles/rails_5.gemfile b/gemfiles/rails_5.gemfile
index 00f7399..6afa2dc 100644
--- a/gemfiles/rails_5.gemfile
+++ b/gemfiles/rails_5.gemfile
@@ -6,5 +6,6 @@ gem "activerecord", "~> 5.2.0"
 gem "mysql2"
 gem "pg"
 gem "sqlite3"
+gem "psych", "~> 3.1"
 
 gemspec path: "../"
diff --git a/lib/i18n/backend/active_record/translation.rb b/lib/i18n/backend/active_record/translation.rb
index ee03a64..66bd58b 100644
--- a/lib/i18n/backend/active_record/translation.rb
+++ b/lib/i18n/backend/active_record/translation.rb
@@ -53,8 +53,14 @@ class Translation < ::ActiveRecord::Base
 
         self.table_name = 'translations'
 
-        serialize :value
-        serialize :interpolations, Array
+        if ::ActiveRecord.version >= Gem::Version.new('7.1.0.alpha')
+          serialize :value, coder: YAML
+          serialize :interpolations, coder: YAML, type: Array
+        else
+          serialize :value
+          serialize :interpolations, Array
+        end
+
         after_commit :invalidate_translations_cache
 
         class << self
diff --git a/test/active_record_test.rb b/test/active_record_test.rb
index 95170ae..612b3ca 100644
--- a/test/active_record_test.rb
+++ b/test/active_record_test.rb
@@ -123,7 +123,7 @@ def setup
       I18n.t('.') # Fixes test flakiness by loading available locales
       I18n::Backend::ActiveRecord::Translation.destroy_all
 
-      assert_equal 'translation missing: en.no key', I18n.t('.')
+      assert_match(/[Tt]ranslation missing: en\.no key/, I18n.t('.'))
     end
 
     test 'intially unitinitialized' do
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 7a1b4e7..54885f2 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -10,15 +10,15 @@
 
 begin
   require 'active_record'
-  ::ActiveRecord::Base.connection
+  ActiveRecord::Base.connection
 rescue LoadError => e
   puts "can't use ActiveRecord backend because: #{e.message}"
-rescue ::ActiveRecord::ConnectionNotEstablished
+rescue ActiveRecord::ConnectionNotEstablished
   require 'i18n/backend/active_record'
 
   case ENV.fetch('DB', nil)
   when 'postgres'
-    ::ActiveRecord::Base.establish_connection(
+    ActiveRecord::Base.establish_connection(
       adapter: 'postgresql',
       database: 'i18n_unittest',
       username: ENV.fetch('PG_USER', 'postgres'),
@@ -26,7 +26,7 @@
       host: 'localhost'
     )
   when 'mysql'
-    ::ActiveRecord::Base.establish_connection(
+    ActiveRecord::Base.establish_connection(
       adapter: 'mysql2',
       database: 'i18n_unittest',
       username: ENV.fetch('MYSQL_USER', 'root'),
@@ -34,11 +34,11 @@
       host: '127.0.0.1'
     )
   else
-    ::ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'
+    ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'
   end
 
-  ::ActiveRecord::Migration.verbose = false
-  ::ActiveRecord::Schema.define(version: 1) do
+  ActiveRecord::Migration.verbose = false
+  ActiveRecord::Schema.define(version: 1) do
     create_table :translations, force: true do |t|
       t.string :locale
       t.string :key
@@ -48,6 +48,12 @@
     end
     add_index :translations, %i[locale key], unique: true
   end
+
+  if ActiveRecord::Base.respond_to?(:yaml_column_permitted_classes=)
+    ActiveRecord::Base.yaml_column_permitted_classes = [Symbol]
+  elsif ActiveRecord.respond_to?(:yaml_column_permitted_classes=)
+    ActiveRecord.yaml_column_permitted_classes = [Symbol]
+  end
 end
 
 TEST_CASE = defined?(Minitest::Test) ? Minitest::Test : MiniTest::Unit::TestCase