Support only active Ruby and Rails versions

https://www.ruby-lang.org/en/downloads/branches/
https://guides.rubyonrails.org/maintenance_policy.html

.github/workflows/test.yml

@@ -24,29 +24,9 @@ jobs:
 
     strategy:
       matrix:
-        gemfile: ['rails_5.2', 'rails_6.0', 'rails_6.1', 'rails_7.0']
+        gemfile: ['rails_6.0', 'rails_6.1', 'rails_7.0']
 
-        ruby: ['2.4', '2.5', '2.6', '2.7', '3.0', '3.1']
-
-        exclude:
-          # Rails 5.2 requires Ruby < 3.0
-          # https://github.com/rails/rails/issues/40938
-          - ruby: '3.0'
-            gemfile: 'rails_5.2'
-          - ruby: '3.1'
-            gemfile: 'rails_5.2'
-          # Rails >= 6 requires Ruby >= 2.5
-          - ruby: '2.4'
-            gemfile: 'rails_6.0'
-          - ruby: '2.4'
-            gemfile: 'rails_6.1'
-          # Rails >= 7 requires Ruby >= 2.7
-          - ruby: '2.4'
-            gemfile: 'rails_7.0'
-          - ruby: '2.5'
-            gemfile: 'rails_7.0'
-          - ruby: '2.6'
-            gemfile: 'rails_7.0'
+        ruby: ['2.7', '3.0', '3.1', '3.2']
 
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile

.ruby-version

@@ -1 +1 @@
-2.6.5
+3.2.0

README.md

@@ -8,7 +8,9 @@ ActiveModel + Redis with the aim to mimic ActiveRecord where possible.
 
 ## Requirements
 
-Modis 4.0+ supports Rails 5.2 and higher, including Rails 6.1, as well as Ruby 2.3 and above, including Ruby 3.0. Tests are also being run with JRuby. For details please check the current CI setup.
+Modis policy is to support only those versions of Ruby and Rails which are not yet End of Life.
+
+Modis 4.0+ supports Rails 6.0 and higher, as well as Ruby 2.7 and above. Tests are also being run with JRuby. For details please check the current CI setup.
 
 For releases supporting older Rails versions such as 4.2-5.1 please check out the 3.x releases.
 

modis.gemspec

@@ -18,10 +18,10 @@ Gem::Specification.new do |gem|
   gem.test_files    = gem.files.grep(%r{^(test|spec|features)/})
   gem.require_paths = ["lib"]
 
-  gem.required_ruby_version = ">= 2.3.0"
+  gem.required_ruby_version = ">= 2.7.0"
 
-  gem.add_runtime_dependency 'activemodel', '>= 5.2'
-  gem.add_runtime_dependency 'activesupport', '>= 5.2'
+  gem.add_runtime_dependency 'activemodel', '>= 6.0'
+  gem.add_runtime_dependency 'activesupport', '>= 6.0'
   gem.add_runtime_dependency 'redis', '>= 3.0'
   gem.add_runtime_dependency 'connection_pool', '>= 2'