Rack 2.2.10 -> 3

Author: jcain3389

vertex_client.gemspec

@@ -46,7 +46,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "dotenv"
   spec.add_development_dependency "minitest", "~> 5.0"
   spec.add_development_dependency "mocha"
-  spec.add_development_dependency "rack", "~> 2.2.10"
+  spec.add_development_dependency "rack", "~> 3"
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rails"
   spec.add_development_dependency "vcr"