diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dc01f48..16439d2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,24 +11,18 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
+          - "3.3"
+          - "3.2"
+          - "3.1"
           - "3.0"
-          - "2.7"
-          - "2.6"
-          - "2.5"
         rails:
-          - "5.2"
-          - "6.0"
           - "6.1"
+          - "7.0"
+          - "7.1"
           - main
         exclude:
-          - ruby: 2.5
-            rails: main
-          - ruby: 2.6
-            rails: main
           - ruby: 3.0
-            rails: "5.1"
-          - ruby: 3.0
-            rails: "5.2"
+            rails: main
 
     runs-on: 'ubuntu-latest'
 
diff --git a/Gemfile b/Gemfile
index 4a76ae0..7f7e84a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,11 +1,11 @@
 # A sample Gemfile
-source "http://rubygems.org"
+source "https://rubygems.org"
 
 gemspec
 
 group :test do
   gem "rspec", "~> 3.0"
-  gem "activerecord", ">= 5.2.0"
+  gem "activerecord", ">= 5.2.8.1"
   gem "sqlite3", :platform => [:ruby, :mswin, :mingw]
   gem "activerecord-jdbcsqlite3-adapter", :platform => :jruby
 end
diff --git a/gemfiles/Gemfile.activerecord-5.2.x b/gemfiles/Gemfile.activerecord-7.0.x
similarity index 59%
rename from gemfiles/Gemfile.activerecord-5.2.x
rename to gemfiles/Gemfile.activerecord-7.0.x
index fa37d51..c89815c 100644
--- a/gemfiles/Gemfile.activerecord-5.2.x
+++ b/gemfiles/Gemfile.activerecord-7.0.x
@@ -3,7 +3,6 @@ source "http://rubygems.org"
 
 group :test do
   gem "rspec"
-  gem "activerecord", "~>5.2.0"
+  gem "activerecord", "~>7.0.0"
   gem "sqlite3", :platform => [:ruby, :mswin, :mingw]
-  gem "activerecord-jdbcsqlite3-adapter", :platform => :jruby
 end
diff --git a/gemfiles/Gemfile.activerecord-6.0.x b/gemfiles/Gemfile.activerecord-7.1.x
similarity index 59%
rename from gemfiles/Gemfile.activerecord-6.0.x
rename to gemfiles/Gemfile.activerecord-7.1.x
index 2b01e7d..801928d 100644
--- a/gemfiles/Gemfile.activerecord-6.0.x
+++ b/gemfiles/Gemfile.activerecord-7.1.x
@@ -3,7 +3,6 @@ source "http://rubygems.org"
 
 group :test do
   gem "rspec"
-  gem "activerecord", "~>6.0.0"
+  gem "activerecord", "~>7.1.0"
   gem "sqlite3", :platform => [:ruby, :mswin, :mingw]
-  gem "activerecord-jdbcsqlite3-adapter", :platform => :jruby
 end
diff --git a/simple_state_machine.gemspec b/simple_state_machine.gemspec
index 4f5a6d3..1623d5a 100644
--- a/simple_state_machine.gemspec
+++ b/simple_state_machine.gemspec
@@ -1,6 +1,6 @@
 # -*- encoding: utf-8 -*-
-$:.push File.expand_path("../lib", __FILE__)  
-require "simple_state_machine/version"   
+$:.push File.expand_path("../lib", __FILE__)
+require "simple_state_machine/version"
 
 Gem::Specification.new do |s|
   s.name             = %q{simple_state_machine}