diff --git a/flipper-active_record.gemspec b/flipper-active_record.gemspec
index 1b7023b42..187bbd074 100644
--- a/flipper-active_record.gemspec
+++ b/flipper-active_record.gemspec
@@ -25,5 +25,5 @@ Gem::Specification.new do |gem|
   gem.metadata      = Flipper::METADATA
 
   gem.add_dependency 'flipper', "~> #{Flipper::VERSION}"
-  gem.add_dependency 'activerecord', '>= 5.0', '< 7'
+  gem.add_dependency 'activerecord', '>= 4.2', '< 7'
 end
diff --git a/flipper-active_support_cache_store.gemspec b/flipper-active_support_cache_store.gemspec
index 2b3c524a9..fc35851b6 100644
--- a/flipper-active_support_cache_store.gemspec
+++ b/flipper-active_support_cache_store.gemspec
@@ -21,5 +21,5 @@ Gem::Specification.new do |gem|
   gem.metadata      = Flipper::METADATA
 
   gem.add_dependency 'flipper', "~> #{Flipper::VERSION}"
-  gem.add_dependency 'activesupport', '>= 5.0', '< 7'
+  gem.add_dependency 'activesupport', '>= 4.2', '< 7'
 end