diff --git a/alchemy-graphql.gemspec b/alchemy-graphql.gemspec
index d97afa8..d604f32 100644
--- a/alchemy-graphql.gemspec
+++ b/alchemy-graphql.gemspec
@@ -19,6 +19,6 @@ Gem::Specification.new do |spec|
   spec.add_dependency "graphql", "~> 1.9"
 
   spec.add_development_dependency "rspec-rails", "~> 3.8"
-  spec.add_development_dependency "factory_bot_rails", "~> 5.0"
+  spec.add_development_dependency "factory_bot_rails", "~> 6.0"
   spec.add_development_dependency "simplecov", "~> 0.17.1"
 end