diff --git a/jit_preloader.gemspec b/jit_preloader.gemspec
index fb5875a..bb0ac34 100644
--- a/jit_preloader.gemspec
+++ b/jit_preloader.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "activerecord", "< 8"
+  spec.add_dependency "activerecord", "< 9"
   spec.add_dependency "activesupport"
 
   spec.add_development_dependency "bundler"