diff --git a/where_lower.gemspec b/where_lower.gemspec
index 350337e..02836ca 100644
--- a/where_lower.gemspec
+++ b/where_lower.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |s|
 
   s.require_paths = ["lib"]
 
-  s.add_dependency "activerecord", ">= 7.0.0", "< 8.1.0"
+  s.add_dependency "activerecord", ">= 7.0.0", "< 9.0.0"
 
   s.add_development_dependency "bundler", ">= 1.0.0"
   s.add_development_dependency "rake", ">= 10.0", "<= 14.0"