diff --git a/.ruby-version b/.ruby-version
index 6bf7c6f..2eb2fe9 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.5.1
+ruby-2.7.2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a19bf9d..6f151ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,9 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [4.0.0] - 2024-10-14
+###
+- Rails 7 support
 ## [3.1.0] - 2018-09-05
 ###
 - [Rails 6 support](https://github.com/G5/storext/pull/65)
diff --git a/lib/storext/version.rb b/lib/storext/version.rb
index 8ac6425..7d23484 100644
--- a/lib/storext/version.rb
+++ b/lib/storext/version.rb
@@ -1,3 +1,3 @@
 module Storext
-  VERSION = "3.3.0"
+  VERSION = "4.0.0"
 end
diff --git a/spec/dummy/db/migrate/20141126071057_install_hstore.rb b/spec/dummy/db/migrate/20141126071057_install_hstore.rb
index 6d7fb3e..65709cb 100644
--- a/spec/dummy/db/migrate/20141126071057_install_hstore.rb
+++ b/spec/dummy/db/migrate/20141126071057_install_hstore.rb
@@ -1,4 +1,4 @@
-class InstallHstore < ActiveRecord::Migration
+class InstallHstore < ActiveRecord::Migration[4.2]
   def change
     enable_extension :hstore
   end
diff --git a/spec/dummy/db/migrate/20141126071133_create_books.rb b/spec/dummy/db/migrate/20141126071133_create_books.rb
index cf02a24..c1f0968 100644
--- a/spec/dummy/db/migrate/20141126071133_create_books.rb
+++ b/spec/dummy/db/migrate/20141126071133_create_books.rb
@@ -1,4 +1,4 @@
-class CreateBooks < ActiveRecord::Migration
+class CreateBooks < ActiveRecord::Migration[4.2]
   def change
     create_table :books do |t|
       t.hstore :data
diff --git a/spec/dummy/db/migrate/20141127001905_create_authors.rb b/spec/dummy/db/migrate/20141127001905_create_authors.rb
index 6c2db04..daccf6c 100644
--- a/spec/dummy/db/migrate/20141127001905_create_authors.rb
+++ b/spec/dummy/db/migrate/20141127001905_create_authors.rb
@@ -1,4 +1,4 @@
-class CreateAuthors < ActiveRecord::Migration
+class CreateAuthors < ActiveRecord::Migration[4.2]
   def change
     create_table :authors do |t|
       t.hstore :data
diff --git a/spec/dummy/db/migrate/20141128051741_add_another_hstore_to_book.rb b/spec/dummy/db/migrate/20141128051741_add_another_hstore_to_book.rb
index 4bc4a07..c720e7b 100644
--- a/spec/dummy/db/migrate/20141128051741_add_another_hstore_to_book.rb
+++ b/spec/dummy/db/migrate/20141128051741_add_another_hstore_to_book.rb
@@ -1,4 +1,4 @@
-class AddAnotherHstoreToBook < ActiveRecord::Migration
+class AddAnotherHstoreToBook < ActiveRecord::Migration[4.2]
   def change
     add_column :books, :another_hstore, :hstore
   end
diff --git a/spec/dummy/db/migrate/20150112063603_create_phones.rb b/spec/dummy/db/migrate/20150112063603_create_phones.rb
index facd8c6..8bef992 100644
--- a/spec/dummy/db/migrate/20150112063603_create_phones.rb
+++ b/spec/dummy/db/migrate/20150112063603_create_phones.rb
@@ -1,4 +1,4 @@
-class CreatePhones < ActiveRecord::Migration
+class CreatePhones < ActiveRecord::Migration[4.2]
   def change
     create_table :phones do |t|
       t.hstore :data
diff --git a/spec/dummy/db/migrate/20150113011502_create_cars.rb b/spec/dummy/db/migrate/20150113011502_create_cars.rb
index 75c4fba..42beb7e 100644
--- a/spec/dummy/db/migrate/20150113011502_create_cars.rb
+++ b/spec/dummy/db/migrate/20150113011502_create_cars.rb
@@ -1,4 +1,4 @@
-class CreateCars < ActiveRecord::Migration
+class CreateCars < ActiveRecord::Migration[4.2]
   def change
     create_table :cars do |t|
       t.hstore :data
diff --git a/spec/dummy/db/migrate/20150130013803_create_coffees.rb b/spec/dummy/db/migrate/20150130013803_create_coffees.rb
index f6bad87..9f38072 100644
--- a/spec/dummy/db/migrate/20150130013803_create_coffees.rb
+++ b/spec/dummy/db/migrate/20150130013803_create_coffees.rb
@@ -1,4 +1,4 @@
-class CreateCoffees < ActiveRecord::Migration
+class CreateCoffees < ActiveRecord::Migration[4.2]
   def change
     create_table :coffees do |t|
       t.hstore :data
diff --git a/spec/dummy/db/schema.rb b/spec/dummy/db/schema.rb
index 9b485e7..1fe7a7d 100644
--- a/spec/dummy/db/schema.rb
+++ b/spec/dummy/db/schema.rb
@@ -2,38 +2,38 @@
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
 #
-# Note that this schema.rb definition is the authoritative source for your
-# database schema. If you need to create the application database on another
-# system, you should be using db:schema:load, not running all the migrations
-# from scratch. The latter is a flawed and unsustainable approach (the more migrations
-# you'll amass, the slower it'll run and the greater likelihood for issues).
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150130013803) do
+ActiveRecord::Schema.define(version: 2015_01_30_013803) do
 
   # These are extensions that must be enabled in order to support this database
-  enable_extension "plpgsql"
   enable_extension "hstore"
+  enable_extension "plpgsql"
 
-  create_table "authors", force: :cascade do |t|
+  create_table "authors", id: :serial, force: :cascade do |t|
     t.hstore "data"
   end
 
-  create_table "books", force: :cascade do |t|
+  create_table "books", id: :serial, force: :cascade do |t|
     t.hstore "data"
     t.hstore "another_hstore"
   end
 
-  create_table "cars", force: :cascade do |t|
+  create_table "cars", id: :serial, force: :cascade do |t|
     t.hstore "data"
   end
 
-  create_table "coffees", force: :cascade do |t|
+  create_table "coffees", id: :serial, force: :cascade do |t|
     t.hstore "data"
   end
 
-  create_table "phones", force: :cascade do |t|
+  create_table "phones", id: :serial, force: :cascade do |t|
     t.hstore "data"
   end
 
diff --git a/storext.gemspec b/storext.gemspec
index d1f9016..50183ad 100644
--- a/storext.gemspec
+++ b/storext.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
   s.test_files = Dir["test/**/*"]
 
   s.add_dependency "virtus"
-  s.add_dependency "activerecord", [">= 4.0", "< 6.2"]
+  s.add_dependency "activerecord", ">= 4.0"
 
   s.add_development_dependency "pg"
   s.add_development_dependency "rspec"