npb_result.gemspec in npb_result-0.1.0 vs npb_result.gemspec in npb_result-0.1.1

@@ -21,10 +21,10 @@
   end
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_development_dependency "bundler", "~> 1.17"
+  spec.add_development_dependency "bundler", "~> 2"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "irb", "~> 1.0"
   spec.add_runtime_dependency "nokogiri",  "~> 1.10"
 end