diff --git a/safe_query.gemspec b/safe_query.gemspec
index dfce330..e844277 100644
--- a/safe_query.gemspec
+++ b/safe_query.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
   s.license = 'MIT'
 
   s.add_dependency "activerecord", ">= 5.0", "< 8.0"
-  s.add_dependency "activesupport", ">= 5.0", "< 8.0"
+  s.add_dependency "activesupport", ">= 5.0", "< 9.0"
 
   s.add_development_dependency "rspec", "~> 3.12"
   s.add_development_dependency "sqlite3", "~> 1.7.1"