diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12c0dbe..a498ae5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,6 +36,16 @@ jobs:
           MYSQL_PASSWORD: with_advisory_pass
           MYSQL_DATABASE: with_advisory_lock_test
           MYSQL_ROOT_HOST: '%'
+      mariadb:
+        image: mariadb:12
+        ports:
+          - 3306
+        env:
+          MARIADB_ROOT_PASSWORD: root
+          MARIADB_DATABASE: with_advisory_lock_trilogy_test
+          MARIADB_USER: with_advisory
+          MARIADB_PASSWORD: with_advisory_pass
+          MARIADB_ROOT_HOST: '%'
     strategy:
       fail-fast: false
       matrix:
@@ -60,10 +70,13 @@ jobs:
           bundler-cache: true
           rubygems: latest
 
+
       - name: Setup test databases
+        timeout-minutes: 5
         env:
           DATABASE_URL_PG: postgres://with_advisory:with_advisory_pass@localhost:${{ job.services.postgres.ports[5432] }}/with_advisory_lock_test
           DATABASE_URL_MYSQL: mysql2://with_advisory:with_advisory_pass@127.0.0.1:${{ job.services.mysql.ports[3306] }}/with_advisory_lock_test
+          DATABASE_URL_TRILOGY: trilogy://with_advisory:with_advisory_pass@127.0.0.1:${{ job.services.mariadb.ports[3306] }}/with_advisory_lock_trilogy_test
         run: |
           cd test/dummy
           bundle exec rake db:test:prepare
@@ -72,5 +85,6 @@ jobs:
         env:
           DATABASE_URL_PG: postgres://with_advisory:with_advisory_pass@localhost:${{ job.services.postgres.ports[5432] }}/with_advisory_lock_test
           DATABASE_URL_MYSQL: mysql2://with_advisory:with_advisory_pass@127.0.0.1:${{ job.services.mysql.ports[3306] }}/with_advisory_lock_test
+          DATABASE_URL_TRILOGY: trilogy://with_advisory:with_advisory_pass@127.0.0.1:${{ job.services.mariadb.ports[3306] }}/with_advisory_lock_trilogy_test
           WITH_ADVISORY_LOCK_PREFIX: ${{ github.run_id }}
         run: bin/rails test
diff --git a/test/dummy/app/models/trilogy_label.rb b/test/dummy/app/models/trilogy_label.rb
new file mode 100644
index 0000000..34076b0
--- /dev/null
+++ b/test/dummy/app/models/trilogy_label.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class TrilogyLabel < TrilogyRecord
+  self.table_name = 'trilogy_labels'
+end
\ No newline at end of file
diff --git a/test/dummy/app/models/trilogy_record.rb b/test/dummy/app/models/trilogy_record.rb
new file mode 100644
index 0000000..f4f96f5
--- /dev/null
+++ b/test/dummy/app/models/trilogy_record.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+class TrilogyRecord < ActiveRecord::Base
+  self.abstract_class = true
+  establish_connection :trilogy
+end
\ No newline at end of file
diff --git a/test/dummy/app/models/trilogy_tag.rb b/test/dummy/app/models/trilogy_tag.rb
new file mode 100644
index 0000000..da5ce75
--- /dev/null
+++ b/test/dummy/app/models/trilogy_tag.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class TrilogyTag < TrilogyRecord
+  self.table_name = 'trilogy_tags'
+
+  after_save do
+    TrilogyTagAudit.create(tag_name: name)
+    TrilogyLabel.create(name: name)
+  end
+end
\ No newline at end of file
diff --git a/test/dummy/app/models/trilogy_tag_audit.rb b/test/dummy/app/models/trilogy_tag_audit.rb
new file mode 100644
index 0000000..6da9e9f
--- /dev/null
+++ b/test/dummy/app/models/trilogy_tag_audit.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+class TrilogyTagAudit < TrilogyRecord
+  self.table_name = 'trilogy_tag_audits'
+end
\ No newline at end of file
diff --git a/test/dummy/config/database.yml b/test/dummy/config/database.yml
index 8c73631..efd2e36 100644
--- a/test/dummy/config/database.yml
+++ b/test/dummy/config/database.yml
@@ -11,3 +11,9 @@ test:
     url: "<%= ENV['DATABASE_URL_MYSQL'] %>"
     properties:
       allowPublicKeyRetrieval: true
+  trilogy:
+    <<: *default
+    url: "<%= ENV['DATABASE_URL_TRILOGY'] %>"
+    adapter: trilogy
+    properties:
+      allowPublicKeyRetrieval: true
diff --git a/test/dummy/db/trilogy_schema.rb b/test/dummy/db/trilogy_schema.rb
new file mode 100644
index 0000000..fbfa1e7
--- /dev/null
+++ b/test/dummy/db/trilogy_schema.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+ActiveRecord::Schema.define(version: 1) do
+  create_table 'trilogy_tags', force: true do |t|
+    t.string 'name'
+  end
+
+  create_table 'trilogy_tag_audits', id: false, force: true do |t|
+    t.string 'tag_name'
+  end
+
+  create_table 'trilogy_labels', id: false, force: true do |t|
+    t.string 'name'
+  end
+end
\ No newline at end of file
diff --git a/test/dummy/lib/tasks/trilogy.rake b/test/dummy/lib/tasks/trilogy.rake
new file mode 100644
index 0000000..a1ef741
--- /dev/null
+++ b/test/dummy/lib/tasks/trilogy.rake
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+namespace :db do
+  namespace :trilogy do
+    desc 'Create and load the Trilogy database schema'
+    task prepare: :environment do
+      ActiveRecord::Base.establish_connection(:trilogy)
+
+      # Load the schema
+      load Rails.root.join('db', 'trilogy_schema.rb')
+
+      puts 'Trilogy database schema loaded successfully'
+    rescue StandardError => e
+      puts "Error loading Trilogy schema: #{e.message}"
+      raise e
+    end
+  end
+
+  namespace :test do
+    task prepare: :environment do
+      # Setup PostgreSQL database
+      ActiveRecord::Base.establish_connection(:primary)
+      load Rails.root.join('db', 'schema.rb')
+
+      # Setup MySQL database
+      ActiveRecord::Base.establish_connection(:secondary)
+      load Rails.root.join('db', 'secondary_schema.rb')
+
+      # Setup Trilogy database
+      ActiveRecord::Base.establish_connection(:trilogy)
+      load Rails.root.join('db', 'trilogy_schema.rb')
+
+      puts 'All test databases prepared successfully'
+    end
+  end
+end
\ No newline at end of file
diff --git a/test/sanity_check_test.rb b/test/sanity_check_test.rb
index 4917fed..46e52a1 100644
--- a/test/sanity_check_test.rb
+++ b/test/sanity_check_test.rb
@@ -3,7 +3,7 @@
 require 'test_helper'
 
 class SanityCheckTest < GemTestCase
-  test 'PostgreSQL and MySQL databases are properly isolated' do
+  test 'PostgreSQL, MySQL, and Trilogy databases are properly isolated' do
     # Create a tag in PostgreSQL database
     pg_tag = Tag.create!(name: 'postgresql-only-tag')
 
@@ -26,9 +26,31 @@ class SanityCheckTest < GemTestCase
     assert_not Tag.exists?(name: 'mysql-only-tag')
     assert_equal 0, Tag.where(name: 'mysql-only-tag').count
 
+    # Create a tag in Trilogy database
+    trilogy_tag = TrilogyTag.create!(name: 'trilogy-only-tag')
+
+    # Verify it exists in Trilogy
+    assert TrilogyTag.exists?(name: 'trilogy-only-tag')
+    assert_equal 1, TrilogyTag.where(name: 'trilogy-only-tag').count
+
+    # Verify it does NOT exist in PostgreSQL or MySQL databases
+    assert_not Tag.exists?(name: 'trilogy-only-tag')
+    assert_equal 0, Tag.where(name: 'trilogy-only-tag').count
+    assert_not MysqlTag.exists?(name: 'trilogy-only-tag')
+    assert_equal 0, MysqlTag.where(name: 'trilogy-only-tag').count
+
+    # Verify PostgreSQL tag does NOT exist in Trilogy
+    assert_not TrilogyTag.exists?(name: 'postgresql-only-tag')
+    assert_equal 0, TrilogyTag.where(name: 'postgresql-only-tag').count
+
+    # Verify MySQL tag does NOT exist in Trilogy
+    assert_not TrilogyTag.exists?(name: 'mysql-only-tag')
+    assert_equal 0, TrilogyTag.where(name: 'mysql-only-tag').count
+
     # Clean up
     pg_tag.destroy
     mysql_tag.destroy
+    trilogy_tag.destroy
   end
 
   test 'PostgreSQL models use PostgreSQL adapter' do
@@ -43,21 +65,31 @@ class SanityCheckTest < GemTestCase
     assert_equal 'Mysql2', MysqlLabel.connection.adapter_name
   end
 
-  test 'can write to both databases in same test' do
-    # Create records in both databases
+  test 'Trilogy models use Trilogy adapter' do
+    assert_equal 'Trilogy', TrilogyTag.connection.adapter_name
+    assert_equal 'Trilogy', TrilogyTagAudit.connection.adapter_name
+    assert_equal 'Trilogy', TrilogyLabel.connection.adapter_name
+  end
+
+  test 'can write to all three databases in same test' do
+    # Create records in all three databases
     pg_tag = Tag.create!(name: 'test-pg')
     mysql_tag = MysqlTag.create!(name: 'test-mysql')
+    trilogy_tag = TrilogyTag.create!(name: 'test-trilogy')
 
-    # Both should have IDs
+    # All should have IDs
     assert pg_tag.persisted?
     assert mysql_tag.persisted?
+    assert trilogy_tag.persisted?
 
-    # IDs should be independent (both could be 1 if tables are empty)
+    # IDs should be independent (all could be 1 if tables are empty)
     assert_kind_of Integer, pg_tag.id
     assert_kind_of Integer, mysql_tag.id
+    assert_kind_of Integer, trilogy_tag.id
 
     # Clean up
     pg_tag.destroy
     mysql_tag.destroy
+    trilogy_tag.destroy
   end
 end
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 09a6358..d3691d4 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -20,7 +20,7 @@ class GemTestCase < ActiveSupport::TestCase
 
   def self.startup
     # Validate environment variables when tests actually start running
-    %w[DATABASE_URL_PG DATABASE_URL_MYSQL].each do |var|
+    %w[DATABASE_URL_PG DATABASE_URL_MYSQL DATABASE_URL_TRILOGY].each do |var|
       abort "Missing required environment variable: #{var}" if ENV[var].nil? || ENV[var].empty?
     end
   end
diff --git a/test/with_advisory_lock/multi_adapter_test.rb b/test/with_advisory_lock/multi_adapter_test.rb
index 1ac1083..a06837a 100644
--- a/test/with_advisory_lock/multi_adapter_test.rb
+++ b/test/with_advisory_lock/multi_adapter_test.rb
@@ -3,15 +3,37 @@
 require 'test_helper'
 
 class MultiAdapterIsolationTest < GemTestCase
-  test 'postgresql and mysql adapters do not overlap' do
+  test 'postgresql, mysql, and trilogy adapters do not overlap' do
     lock_name = 'multi-adapter-lock'
 
+    # PostgreSQL lock doesn't block MySQL
     Tag.with_advisory_lock(lock_name) do
       assert MysqlTag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
     end
 
+    # MySQL lock doesn't block PostgreSQL
     MysqlTag.with_advisory_lock(lock_name) do
       assert Tag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
     end
+
+    # PostgreSQL lock doesn't block Trilogy
+    Tag.with_advisory_lock(lock_name) do
+      assert TrilogyTag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
+    end
+
+    # Trilogy lock doesn't block PostgreSQL
+    TrilogyTag.with_advisory_lock(lock_name) do
+      assert Tag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
+    end
+
+    # MySQL lock doesn't block Trilogy
+    MysqlTag.with_advisory_lock(lock_name) do
+      assert TrilogyTag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
+    end
+
+    # Trilogy lock doesn't block MySQL
+    TrilogyTag.with_advisory_lock(lock_name) do
+      assert MysqlTag.with_advisory_lock(lock_name, timeout_seconds: 0) { true }
+    end
   end
 end
diff --git a/test/with_advisory_lock/parallelism_test.rb b/test/with_advisory_lock/parallelism_test.rb
index 06620c7..ab42f2e 100644
--- a/test/with_advisory_lock/parallelism_test.rb
+++ b/test/with_advisory_lock/parallelism_test.rb
@@ -99,3 +99,11 @@ def model_class
     MysqlTag
   end
 end
+
+class TrilogyParallelismTest < GemTestCase
+  include ParallelismTestCases
+
+  def model_class
+    TrilogyTag
+  end
+end
diff --git a/test/with_advisory_lock/shared_test.rb b/test/with_advisory_lock/shared_test.rb
index eb381a3..5b529c6 100644
--- a/test/with_advisory_lock/shared_test.rb
+++ b/test/with_advisory_lock/shared_test.rb
@@ -127,3 +127,29 @@ class MySQLSharedLocksTest < GemTestCase
     assert_match(/shared locks are not supported/, exception.message)
   end
 end
+
+class TrilogySharedLocksTest < GemTestCase
+  self.use_transactional_tests = false
+
+  test 'does not allow two exclusive locks' do
+    one = SharedTestWorker.new(TrilogyTag, false)
+    assert_predicate(one, :locked?)
+
+    two = SharedTestWorker.new(TrilogyTag, false)
+    refute(two.locked?)
+
+    one.cleanup!
+    two.cleanup!
+  end
+
+  test 'raises an error when attempting to use a shared lock' do
+    one = SharedTestWorker.new(TrilogyTag, true)
+    assert_equal(false, one.locked?)
+
+    exception = assert_raises(ArgumentError) do
+      one.cleanup!
+    end
+
+    assert_match(/shared locks are not supported/, exception.message)
+  end
+end
diff --git a/test/with_advisory_lock/thread_test.rb b/test/with_advisory_lock/thread_test.rb
index bfc00d7..8760850 100644
--- a/test/with_advisory_lock/thread_test.rb
+++ b/test/with_advisory_lock/thread_test.rb
@@ -81,3 +81,11 @@ def model_class
     MysqlTag
   end
 end
+
+class TrilogyThreadTest < GemTestCase
+  include ThreadTestCases
+
+  def model_class
+    TrilogyTag
+  end
+end