batch-loader.gemspec in batch-loader-1.4.0 vs batch-loader.gemspec in batch-loader-1.4.1

@@ -19,10 +19,10 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.required_ruby_version = '>= 2.1.0' # keyword args
 
-  spec.add_development_dependency "bundler", "~> 1.15"
+  spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "graphql", "~> 1.6"
   spec.add_development_dependency "pry-byebug", "~> 3.4"
   spec.add_development_dependency "benchmark-ips", "~> 2.7"