diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2fadc63..d20e71e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -24,6 +24,10 @@ jobs:
             gemfile: gemfiles/mysql2.gemfile
             adapter: mysql2
             mysql: true
+          - ruby: 3.1
+            gemfile: gemfiles/trilogy.gemfile
+            adapter: trilogy
+            mysql: true
           - ruby: 3.1
             gemfile: gemfiles/mongoid8.gemfile
             mongodb: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61c741a..1674834 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.1 (unreleased)
+
+- Added support for Trilogy
+
 ## 0.4.0 (2023-05-25)
 
 - Fixed error with Active Record 7.0.5
diff --git a/gemfiles/trilogy.gemfile b/gemfiles/trilogy.gemfile
new file mode 100644
index 0000000..7fab419
--- /dev/null
+++ b/gemfiles/trilogy.gemfile
@@ -0,0 +1,9 @@
+source "https://rubygems.org"
+
+gemspec path: ".."
+
+gem "activerecord", "~> 7.0.0"
+gem "minitest"
+gem "activerecord-trilogy-adapter"
+gem "rake"
+gem "groupdate", github: "ankane/groupdate"
diff --git a/lib/active_median/model.rb b/lib/active_median/model.rb
index 6e73308..4fb6389 100644
--- a/lib/active_median/model.rb
+++ b/lib/active_median/model.rb
@@ -51,7 +51,7 @@ def calculate_percentile(column, percentile, operation)
 
       relation =
         case connection.adapter_name
-        when /mysql/i
+        when /mysql/i, /trilogy/i
           # assume mariadb by default
           # use send as this method is private in Rails 4.2
           mariadb = connection.send(:mariadb?) rescue true
diff --git a/test/median_test.rb b/test/median_test.rb
index eb8535e..815e2fc 100644
--- a/test/median_test.rb
+++ b/test/median_test.rb
@@ -150,7 +150,7 @@ def test_groupdate
 
   def test_non_numeric
     # TODO debug mysql
-    skip if adapter == "mysql2" || mongoid?
+    skip if adapter == "mysql2" || adapter == "trilogy" || mongoid?
 
     User.create!(name: 'A')
     assert_raises(ActiveRecord::StatementInvalid) do
diff --git a/test/support/active_record.rb b/test/support/active_record.rb
index f430688..70f9e40 100644
--- a/test/support/active_record.rb
+++ b/test/support/active_record.rb
@@ -6,6 +6,13 @@
   ActiveRecord::Base.establish_connection "sqlserver://SA:YourStrong!Passw0rd@localhost:1433/active_median_test"
 elsif adapter == "redshift"
   ActiveRecord::Base.establish_connection ENV["DATABASE_URL"]
+elsif adapter == "trilogy"
+  if ActiveRecord::VERSION::STRING.to_f < 7.1
+    require "trilogy_adapter/connection"
+    ActiveRecord::Base.public_send :extend, TrilogyAdapter::Connection
+  end
+
+  ActiveRecord::Base.establish_connection adapter: adapter, database: "active_median_test", host: "127.0.0.1"
 else
   ActiveRecord::Base.establish_connection adapter: adapter, database: sqlite? ? ":memory:" : "active_median_test"
 end