diff --git a/ruby-openai-swarm.gemspec b/ruby-openai-swarm.gemspec
index 5075235..b097eb2 100644
--- a/ruby-openai-swarm.gemspec
+++ b/ruby-openai-swarm.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   end
 
   spec.require_paths = ["lib"]
-  spec.add_dependency "ruby-openai", "~> 7.3"
+  spec.add_dependency "ruby-openai", ">= 7.3", "< 9.0"
   spec.add_dependency "ostruct"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rake", "~> 13.0"