diff --git a/hutch.gemspec b/hutch.gemspec
index 32bf891..4ff9de3 100644
--- a/hutch.gemspec
+++ b/hutch.gemspec
@@ -10,7 +10,7 @@ Gem::Specification.new do |gem|
   end
   gem.add_runtime_dependency 'carrot-top', '~> 0.0.7'
   gem.add_runtime_dependency 'multi_json', '~> 1.15'
-  gem.add_runtime_dependency 'activesupport', '>= 4.2', '<= 8'
+  gem.add_runtime_dependency 'activesupport', '>= 4.2'
 
   gem.name = 'hutch'
   gem.summary = 'Opinionated asynchronous inter-service communication using RabbitMQ'