rails 4.2 and 5.0 is legacy

.github/workflows/build.yml

@@ -23,8 +23,6 @@ jobs:
           - jruby-9.2.19.0
           - jruby-9.3.1.0
         rails:
-          - '~> 4.2.0'
-          - '~> 5.0.0'
           - '~> 5.1.0'
           - '~> 5.2.0'
           - '~> 6.1.0'
@@ -41,13 +39,9 @@ jobs:
         - rails: '~> 7.0.0.alpha2'
           ruby: 2.5
         # Legacy Rails with newer rubies
-        - rails: '~> 4.2.0'
-          ruby: 2.7
-        - rails: '~> 5.0.0'
-          ruby: 2.7
-        - rails: '~> 4.2.0'
+        - rails: '~> 5.1.0'
           ruby: 3.0
-        - rails: '~> 5.0.0'
+        - rails: '~> 5.2.0'
           ruby: 3.0
 
     env:

paranoia.gemspec

@@ -24,7 +24,7 @@ Gem::Specification.new do |s|
 
   s.required_ruby_version = '>= 2.5'
 
-  s.add_dependency 'activerecord', '>= 4.0', '< 7.1'
+  s.add_dependency 'activerecord', '>= 5.1', '< 7.1'
 
   s.add_development_dependency "bundler", ">= 1.0.0"
   s.add_development_dependency "rake"