diff --git a/cfn_manage.gemspec b/cfn_manage.gemspec
index 207f1c2..03d9c02 100644
--- a/cfn_manage.gemspec
+++ b/cfn_manage.gemspec
@@ -26,7 +26,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'aws-sdk-autoscaling', '~> 1', '<2'
   spec.add_runtime_dependency 'aws-sdk-ecs', '~> 1', '<2'
 
-  spec.add_development_dependency "bundler", "~> 1.16"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 0.9"
   spec.add_development_dependency "rspec-core", "~> 3.8"