diff --git a/active_interaction.gemspec b/active_interaction.gemspec
index 4278e003..630e1579 100644
--- a/active_interaction.gemspec
+++ b/active_interaction.gemspec
@@ -36,8 +36,8 @@ Gem::Specification.new do |spec| # rubocop:disable Metrics/BlockLength
     Dir.glob(File.join('lib', 'active_interaction', 'locale', '*.yml'))
   spec.test_files = Dir.glob(File.join('spec', '**', '*.rb'))
 
-  spec.add_dependency 'activemodel', '>= 5.2', '< 8'
-  spec.add_dependency 'activesupport', '>= 5.2', '< 8'
+  spec.add_dependency 'activemodel', '>= 5.2', '< 9'
+  spec.add_dependency 'activesupport', '>= 5.2', '< 9'
 
   {
     'actionpack' => [],