diff --git a/pact_broker.gemspec b/pact_broker.gemspec
index 15699a3be..2600788dc 100644
--- a/pact_broker.gemspec
+++ b/pact_broker.gemspec
@@ -60,7 +60,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency "semver2", "~> 3.4.2"
   gem.add_runtime_dependency "rack", ">= 2.2.3", "~> 2.2" # TODO update to 3
   gem.add_runtime_dependency "redcarpet", ">= 3.5.1", "~>3.5"
-  gem.add_runtime_dependency "pact-support" , "~> 1.16", ">= 1.16.4"
+  gem.add_runtime_dependency "pact-support" , ">= 1.21.2", "~> 1.21"
   gem.add_runtime_dependency "haml", "~>5.0"
   gem.add_runtime_dependency "sucker_punch", "~>3.0"
   gem.add_runtime_dependency "rack-protection", "~> 3.0"
diff --git a/spec/lib/pact_broker/api/contracts/base_contract_spec.rb b/spec/lib/pact_broker/api/contracts/base_contract_spec.rb
deleted file mode 100644
index 498b30ba3..000000000
--- a/spec/lib/pact_broker/api/contracts/base_contract_spec.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-require "pact_broker/api/contracts/base_contract"
-
-module PactBroker
-  module Api
-    module Contracts
-      describe BaseContract do
-        include PactBroker::Test::ApiContractSupport
-
-        class TestContract < BaseContract
-          json do
-            required(:name).filled(:string)
-          end
-        end
-
-        describe ".call" do
-          context "when an array is supplied" do
-            subject { format_errors_the_old_way(TestContract.call([1])) }
-
-            it "doesn't blow up" do
-              expect(subject[:name]).to eq ["is missing"]
-            end
-          end
-        end
-      end
-    end
-  end
-end