diff --git a/queue_classic_plus.gemspec b/queue_classic_plus.gemspec
index e9acefb..f415d30 100644
--- a/queue_classic_plus.gemspec
+++ b/queue_classic_plus.gemspec
@@ -25,6 +25,6 @@ Gem::Specification.new do |spec|
     spec.add_development_dependency "bundler", "~> 2.0"
   end
   spec.add_development_dependency "rake"
-  spec.add_development_dependency "activerecord", "~> 6.0"
+  spec.add_development_dependency "activerecord", "~> 7.0"
   spec.add_development_dependency "activejob"
 end