diff --git a/lib/pact/hal/http_client.rb b/lib/pact/hal/http_client.rb
index 4d28b59b..416f5ec9 100644
--- a/lib/pact/hal/http_client.rb
+++ b/lib/pact/hal/http_client.rb
@@ -48,7 +48,7 @@ def create_request uri, http_method, body = nil, headers = {}
       def perform_request request, uri
         response = Retry.until_true do
           http = Net::HTTP.new(uri.host, uri.port, :ENV)
-          http.set_debug_output(output_stream) if verbose
+          http.set_debug_output(output_stream) if verbose || ENV['VERBOSE'] == 'true'
           http.use_ssl = (uri.scheme == 'https')
           http.ca_file = ENV['SSL_CERT_FILE'] if ENV['SSL_CERT_FILE'] && ENV['SSL_CERT_FILE'] != ''
           http.ca_path = ENV['SSL_CERT_DIR'] if ENV['SSL_CERT_DIR'] && ENV['SSL_CERT_DIR'] != ''
diff --git a/lib/pact/pact_broker/fetch_pact_uris_for_verification.rb b/lib/pact/pact_broker/fetch_pact_uris_for_verification.rb
index 97856f25..a726cc7b 100644
--- a/lib/pact/pact_broker/fetch_pact_uris_for_verification.rb
+++ b/lib/pact/pact_broker/fetch_pact_uris_for_verification.rb
@@ -10,7 +10,7 @@ module Pact
   module PactBroker
     class FetchPactURIsForVerification
       include PactSelectionDescription
-      attr_reader :provider, :consumer_version_selectors, :provider_version_tags, :broker_base_url, :http_client_options, :http_client, :options
+      attr_reader :provider, :consumer_version_selectors, :provider_version_branch, :provider_version_tags, :broker_base_url, :http_client_options, :http_client, :options
 
       PACTS_FOR_VERIFICATION_RELATION = 'pb:provider-pacts-for-verification'.freeze
       PACTS_FOR_VERIFICATION_RELATION_BETA = 'beta:provider-pacts-for-verification'.freeze
@@ -20,9 +20,10 @@ class FetchPactURIsForVerification
       SELF = 'self'.freeze
       EMBEDDED = '_embedded'.freeze
 
-      def initialize(provider, consumer_version_selectors, provider_version_tags, broker_base_url, http_client_options, options = {})
+      def initialize(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options, options = {})
         @provider = provider
         @consumer_version_selectors = consumer_version_selectors || []
+        @provider_version_branch = provider_version_branch
         @provider_version_tags = [*provider_version_tags]
         @http_client_options = http_client_options
         @broker_base_url = broker_base_url
@@ -30,8 +31,8 @@ def initialize(provider, consumer_version_selectors, provider_version_tags, brok
         @options = options
       end
 
-      def self.call(provider, consumer_version_selectors, provider_version_tags, broker_base_url, http_client_options, options = {})
-        new(provider, consumer_version_selectors, provider_version_tags, broker_base_url, http_client_options, options).call
+      def self.call(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options, options = {})
+        new(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options, options).call
       end
 
       def call
@@ -76,6 +77,7 @@ def query
         q["includePendingStatus"] = true if options[:include_pending_status]
         q["consumerVersionSelectors"] = consumer_version_selectors if consumer_version_selectors.any?
         q["providerVersionTags"] = provider_version_tags if provider_version_tags.any?
+        q["providerVersionBranch"] = provider_version_branch if provider_version_branch
         q["includeWipPactsSince"] = options[:include_wip_pacts_since] if options[:include_wip_pacts_since]
         q
       end
diff --git a/lib/pact/provider/configuration/pact_verification_from_broker.rb b/lib/pact/provider/configuration/pact_verification_from_broker.rb
index a832cb9f..9a1a6346 100644
--- a/lib/pact/provider/configuration/pact_verification_from_broker.rb
+++ b/lib/pact/provider/configuration/pact_verification_from_broker.rb
@@ -15,10 +15,11 @@ class PactVerificationFromBroker
         # in parent scope, it will clash with these ones,
         # so put an underscore in front of the name to be safer.
 
-        attr_accessor :_provider_name, :_pact_broker_base_url, :_consumer_version_tags, :_provider_version_tags, :_basic_auth_options, :_enable_pending, :_include_wip_pacts_since, :_verbose, :_consumer_version_selectors
+        attr_accessor :_provider_name, :_pact_broker_base_url, :_consumer_version_tags, :_provider_version_branch, :_provider_version_tags, :_basic_auth_options, :_enable_pending, :_include_wip_pacts_since, :_verbose, :_consumer_version_selectors
 
-        def initialize(provider_name, provider_version_tags)
+        def initialize(provider_name, provider_version_branch, provider_version_tags)
           @_provider_name = provider_name
+          @_provider_version_branch = provider_version_branch
           @_provider_version_tags = provider_version_tags
           @_consumer_version_tags = []
           @_consumer_version_selectors = []
@@ -69,6 +70,7 @@ def create_pact_verification
           fetch_pacts = Pact::PactBroker::FetchPactURIsForVerification.new(
             _provider_name,
             consumer_version_selectors,
+            _provider_version_branch,
             _provider_version_tags,
             _pact_broker_base_url,
             _basic_auth_options.merge(verbose: _verbose),
diff --git a/lib/pact/provider/configuration/service_provider_config.rb b/lib/pact/provider/configuration/service_provider_config.rb
index 2b3068a2..8a89ba5c 100644
--- a/lib/pact/provider/configuration/service_provider_config.rb
+++ b/lib/pact/provider/configuration/service_provider_config.rb
@@ -4,9 +4,11 @@ module Configuration
       class ServiceProviderConfig
 
         attr_accessor :application_version
+        attr_reader :branch
 
-        def initialize application_version, tags, publish_verification_results, &app_block
+        def initialize application_version, branch, tags, publish_verification_results, &app_block
           @application_version = application_version
+          @branch = branch
           @tags = [*tags]
           @publish_verification_results = publish_verification_results
           @app_block = app_block
diff --git a/lib/pact/provider/configuration/service_provider_dsl.rb b/lib/pact/provider/configuration/service_provider_dsl.rb
index 73ce4dde..fccb45d2 100644
--- a/lib/pact/provider/configuration/service_provider_dsl.rb
+++ b/lib/pact/provider/configuration/service_provider_dsl.rb
@@ -15,7 +15,7 @@ class ServiceProviderDSL
 
         extend Pact::DSL
 
-        attr_accessor :name, :app_block, :application_version, :tags, :publish_verification_results
+        attr_accessor :name, :app_block, :application_version, :branch, :tags, :publish_verification_results
 
         CONFIG_RU_APP = lambda {
           unless File.exist? Pact.configuration.config_ru_path
@@ -44,6 +44,10 @@ def app_version_tags tags
             self.tags = tags
           end
 
+          def app_version_branch branch
+            self.branch = branch
+          end
+
           def publish_verification_results publish_verification_results
             self.publish_verification_results = publish_verification_results
             Pact::RSpec.with_rspec_2 do
@@ -65,7 +69,7 @@ def create_pact_verification consumer_name, options, &block
         end
 
         def create_pact_verification_from_broker(&block)
-          PactVerificationFromBroker.build(name, tags, &block)
+          PactVerificationFromBroker.build(name, branch, tags, &block)
         end
 
         def finalize
@@ -85,7 +89,7 @@ def application_version_blank?
         end
 
         def create_service_provider
-          Pact.configuration.provider = ServiceProviderConfig.new(application_version, tags, publish_verification_results, &@app_block)
+          Pact.configuration.provider = ServiceProviderConfig.new(application_version, branch, tags, publish_verification_results, &@app_block)
         end
       end
     end
diff --git a/lib/pact/provider/verification_results/publish.rb b/lib/pact/provider/verification_results/publish.rb
index 6a388b97..59bb47e5 100644
--- a/lib/pact/provider/verification_results/publish.rb
+++ b/lib/pact/provider/verification_results/publish.rb
@@ -16,6 +16,7 @@ class Publish
         PUBLISH_RELATION = 'pb:publish-verification-results'.freeze
         PROVIDER_RELATION = 'pb:provider'.freeze
         VERSION_TAG_RELATION = 'pb:version-tag'.freeze
+        BRANCH_VERSION_RELATION = 'pb:branch-version'.freeze
 
         def self.call pact_source, verification_result, options = {}
           new(pact_source, verification_result, options).call
@@ -31,6 +32,7 @@ def initialize pact_source, verification_result, options = {}
 
         def call
           if can_publish_verification_results?
+            create_branch_version_if_configured
             tag_versions_if_configured
             publish_verification_results
             true
@@ -72,8 +74,28 @@ def tag_versions_if_configured
           end
         end
 
+        def create_branch_version_if_configured
+          if Pact.configuration.provider.branch
+            branch_version_link = provider_entity._link(BRANCH_VERSION_RELATION)
+            if branch_version_link
+              version_number = Pact.configuration.provider.application_version
+              branch = Pact.configuration.provider.branch
+
+              Pact.configuration.output_stream.puts "INFO: Creating #{provider_name} version #{version_number} with branch \"#{branch}\""
+              branch_entity = branch_version_link.expand(
+                version: version_number,
+                branch: branch
+              ).put
+              unless branch_entity.success?
+                raise PublicationError.new("Error returned from tagging request: status=#{branch_entity.response.code} body=#{branch_entity.response.body}")
+              end
+            else
+              raise PublicationError.new("This version of the Pact Broker does not support version branches. Please update to version 2.58.0 or later.")
+            end
+          end
+        end
+
         def tag_versions
-          provider_entity = pact_entity.get(PROVIDER_RELATION)
           tag_link = provider_entity._link(VERSION_TAG_RELATION) || hacky_tag_url(provider_entity)
           provider_application_version = Pact.configuration.provider.application_version
 
@@ -111,6 +133,10 @@ def consumer_name
         def provider_name
           pact_source.pact_hash['provider']['name']
         end
+
+        def provider_entity
+          @provider_entity ||= pact_entity.get(PROVIDER_RELATION)
+        end
       end
     end
   end
diff --git a/spec/integration/publish_verification_spec.rb b/spec/integration/publish_verification_spec.rb
index bf1684df..0f996b31 100644
--- a/spec/integration/publish_verification_spec.rb
+++ b/spec/integration/publish_verification_spec.rb
@@ -11,6 +11,7 @@
     double('provider_configuration',
       application_version: '1.2.3',
       publish_verification_results?: true,
+      branch: nil,
       tags: [])
   end
 
diff --git a/spec/lib/pact/pact_broker/fetch_pact_uris_for_verification_spec.rb b/spec/lib/pact/pact_broker/fetch_pact_uris_for_verification_spec.rb
index 764f0ad8..e0690663 100644
--- a/spec/lib/pact/pact_broker/fetch_pact_uris_for_verification_spec.rb
+++ b/spec/lib/pact/pact_broker/fetch_pact_uris_for_verification_spec.rb
@@ -12,9 +12,10 @@ module PactBroker
         let(:broker_base_url) { "http://broker.org" }
         let(:http_client_options) { {} }
         let(:consumer_version_selectors) { [{ tag: "cmaster", latest: true, fallbackTag: 'blah' }] }
+        let(:provider_version_branch) { "pbranch" }
         let(:provider_version_tags) { ["pmaster"] }
 
-        subject { FetchPactURIsForVerification.call(provider, consumer_version_selectors, provider_version_tags, broker_base_url, http_client_options)}
+        subject { FetchPactURIsForVerification.call(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options)}
 
         context "when there is an error retrieving the index resource" do
           before do
@@ -39,7 +40,7 @@ module PactBroker
 
           let(:provider_version_tags) { "pmaster" }
 
-          subject { FetchPactURIsForVerification.new(provider, consumer_version_selectors, provider_version_tags, broker_base_url, http_client_options)}
+          subject { FetchPactURIsForVerification.new(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options)}
 
           it "wraps an array around it" do
             expect(subject.provider_version_tags).to eq ["pmaster"]
diff --git a/spec/lib/pact/provider/configuration/message_provider_dsl_spec.rb b/spec/lib/pact/provider/configuration/message_provider_dsl_spec.rb
index f6f5e054..b41f5895 100644
--- a/spec/lib/pact/provider/configuration/message_provider_dsl_spec.rb
+++ b/spec/lib/pact/provider/configuration/message_provider_dsl_spec.rb
@@ -158,7 +158,7 @@ module Configuration
             end
 
             it "builds a PactVerificationFromBroker" do
-              expect(PactVerificationFromBroker).to receive(:build).with("some-provider", ["dev"])
+              expect(PactVerificationFromBroker).to receive(:build).with("some-provider", nil, ["dev"])
               subject
             end
           end
diff --git a/spec/lib/pact/provider/configuration/pact_verification_from_broker_spec.rb b/spec/lib/pact/provider/configuration/pact_verification_from_broker_spec.rb
index 7539d792..79c5c1ae 100644
--- a/spec/lib/pact/provider/configuration/pact_verification_from_broker_spec.rb
+++ b/spec/lib/pact/provider/configuration/pact_verification_from_broker_spec.rb
@@ -6,6 +6,7 @@ module Configuration
       describe PactVerificationFromBroker do
         describe 'build' do
           let(:provider_name) {'provider-name'}
+          let(:provider_version_branch) { 'main' }
           let(:provider_version_tags) { ['master'] }
           let(:base_url) { "http://broker.org" }
           let(:since) { "2020-01-01" }
@@ -25,7 +26,7 @@ module Configuration
 
           context "with valid values" do
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url, basic_auth_options
                 consumer_version_tags tags
                 enable_pending true
@@ -43,6 +44,7 @@ module Configuration
               expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(
                 provider_name,
                 consumer_version_selectors,
+                provider_version_branch,
                 provider_version_tags,
                 base_url,
                 basic_auth_opts,
@@ -66,6 +68,7 @@ module Configuration
                   anything,
                   anything,
                   anything,
+                  anything,
                   {
                     include_pending_status: true,
                     include_wip_pacts_since: since.xmlschema
@@ -78,7 +81,7 @@ module Configuration
 
           context "with a missing base url" do
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
 
               end
             end
@@ -90,27 +93,27 @@ module Configuration
 
           context "with a non array object for consumer_version_tags" do
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
                 consumer_version_tags "master"
               end
             end
 
             it "coerces the value into an array" do
-              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "master", latest: true}], anything, anything, anything, anything)
+              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "master", latest: true}], anything, anything, anything, anything, anything)
               subject
             end
           end
 
           context "when no consumer_version_tags are provided" do
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
               end
             end
 
-            it "creates an instance of FetchPacts with an emtpy array for the consumer_version_tags" do
-              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [], anything, anything, anything, anything)
+            it "creates an instance of FetchPacts with an empty array for the consumer_version_tags" do
+              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [], anything, anything, anything, anything, anything)
               subject
             end
           end
@@ -119,14 +122,14 @@ module Configuration
             let(:tags) { [{ name: 'main', all: true, fallback: 'fallback' }] }
 
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
                 consumer_version_tags tags
               end
             end
 
             it "converts them to selectors" do
-              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "main", latest: false, fallbackTag: 'fallback'}], anything, anything, anything, anything)
+              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "main", latest: false, fallbackTag: 'fallback'}], anything, anything, anything, anything, anything)
               subject
             end
           end
@@ -135,7 +138,7 @@ module Configuration
             let(:tags) { [true] }
 
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
                 consumer_version_tags tags
               end
@@ -150,27 +153,27 @@ module Configuration
             let(:tags) { [{ tag: 'main', latest: true, fallback_tag: 'fallback' }] }
 
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
                 consumer_version_selectors tags
               end
             end
 
             it "converts the casing of the key names" do
-              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "main", latest: true, fallbackTag: 'fallback'}], anything, anything, anything, anything)
+              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, [{ tag: "main", latest: true, fallbackTag: 'fallback'}], anything, anything, anything, anything, anything)
               subject
             end
           end
 
           context "when no verbose flag is provided" do
             subject do
-              PactVerificationFromBroker.build(provider_name, provider_version_tags) do
+              PactVerificationFromBroker.build(provider_name, provider_version_branch, provider_version_tags) do
                 pact_broker_base_url base_url
               end
             end
 
             it "creates an instance of FetchPactURIsForVerification with verbose: false" do
-              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, anything, anything, anything, hash_including(verbose: false), anything)
+              expect(Pact::PactBroker::FetchPactURIsForVerification).to receive(:new).with(anything, anything, anything, anything, anything, hash_including(verbose: false), anything)
               subject
             end
           end
diff --git a/spec/lib/pact/provider/configuration/service_provider_config_spec.rb b/spec/lib/pact/provider/configuration/service_provider_config_spec.rb
index fd5e46cb..2ea62092 100644
--- a/spec/lib/pact/provider/configuration/service_provider_config_spec.rb
+++ b/spec/lib/pact/provider/configuration/service_provider_config_spec.rb
@@ -1,21 +1,18 @@
-require 'spec_helper'
 require 'pact/provider/configuration/service_provider_config'
 
 module Pact
   module Provider
     module Configuration
       describe ServiceProviderConfig do
-
         describe "app" do
 
           let(:app_block) { ->{ Object.new } }
 
-          subject { ServiceProviderConfig.new("1.2.3'", [], true, &app_block) }
+          subject { ServiceProviderConfig.new("1.2.3'", "main", [], true, &app_block) }
 
           it "should execute the app_block each time" do
             expect(subject.app.object_id).to_not equal(subject.app.object_id)
           end
-
         end
       end
     end
diff --git a/spec/lib/pact/provider/configuration/service_provider_dsl_spec.rb b/spec/lib/pact/provider/configuration/service_provider_dsl_spec.rb
index c8e72de8..e5b52669 100644
--- a/spec/lib/pact/provider/configuration/service_provider_dsl_spec.rb
+++ b/spec/lib/pact/provider/configuration/service_provider_dsl_spec.rb
@@ -156,6 +156,7 @@ module Configuration
             subject do
               ServiceProviderDSL.build 'some-provider' do
                 app {}
+                app_version_branch 'main'
                 app_version_tags ['dev']
                 honours_pacts_from_pact_broker do
                 end
@@ -163,7 +164,7 @@ module Configuration
             end
 
             it 'builds a PactVerificationFromBroker' do
-              expect(PactVerificationFromBroker).to receive(:build).with('some-provider', ['dev'])
+              expect(PactVerificationFromBroker).to receive(:build).with('some-provider', 'main', ['dev'])
               subject
             end
           end
diff --git a/spec/lib/pact/provider/verification_results/publish_spec.rb b/spec/lib/pact/provider/verification_results/publish_spec.rb
index 72cca405..1e5b67ba 100644
--- a/spec/lib/pact/provider/verification_results/publish_spec.rb
+++ b/spec/lib/pact/provider/verification_results/publish_spec.rb
@@ -48,6 +48,9 @@ module VerificationResults
                 },
                 'pb:version-tag' => {
                   'href' => 'http://provider/version/{version}/tag/{tag}'
+                },
+                'pb:branch-version' => {
+                  'href' => 'http://provider/branches/{branch}/versions/{version}'
                 }
               }
             }.to_json
@@ -65,6 +68,7 @@ module VerificationResults
           let(:verification_json) { '{"foo": "bar"}' }
           let(:publish_verification_results) { false }
           let(:publishable) { true }
+          let(:branch) { nil }
           let(:tags) { [] }
           let(:verification) do
             instance_double("Pact::Verifications::Verification",
@@ -75,7 +79,7 @@ module VerificationResults
           end
 
           let(:provider_configuration) do
-            double('provider config', publish_verification_results?: publish_verification_results, tags: tags, application_version: '1.2.3')
+            double('provider config', publish_verification_results?: publish_verification_results, branch: branch, tags: tags, application_version: '1.2.3')
           end
 
           before do
@@ -84,6 +88,7 @@ module VerificationResults
             allow(Pact.configuration).to receive(:provider).and_return(provider_configuration)
             stub_request(:post, stubbed_publish_verification_url).to_return(status: 200, headers: { 'Content-Type' => 'application/hal+json'}, body: created_verification_body)
             stub_request(:put, 'http://provider/version/1.2.3/tag/foo').to_return(status: 200, headers: { 'Content-Type' => 'application/hal+json'}, body: tag_body)
+            stub_request(:put, "http://provider/branches/main/versions/1.2.3").to_return(status: 200, body: "{}", headers: { 'Content-Type' => 'application/hal+json' })
             stub_request(:get, provider_url).to_return(status: 200, headers: { 'Content-Type' => 'application/hal+json'}, body: provider_body)
             allow(Retry).to receive(:until_true) { |&block| block.call }
           end
@@ -117,6 +122,35 @@ module VerificationResults
                 end
               end
 
+              context "with a branch" do
+                let(:branch) { "main" }
+
+                it "creates the branch version" do
+                  subject
+                  expect(WebMock).to have_requested(:put, 'http://provider/branches/main/versions/1.2.3').with(headers: {'Content-Type' => 'application/json'})
+                end
+
+                context "when there is an error creating the branch version" do
+                  before do
+                    stub_request(:put, "http://provider/branches/main/versions/1.2.3").to_return(status: 500, body: { some: "error" }.to_json, headers: { 'Content-Type' => 'application/hal+json' })
+                  end
+
+                  it "raises an error" do
+                    expect { subject }.to raise_error PublicationError, /500.*some.*error/
+                  end
+                end
+
+                context "when the broker does not support creating branch versions" do
+                  let(:provider_body) do
+                    {}.to_json
+                  end
+
+                  it "raises an error" do
+                    expect { subject }.to raise_error PublicationError, /does not support/
+                  end
+                end
+              end
+
               context "with tags" do
                 let(:tags) { ['foo'] }
 
diff --git a/spec/service_providers/pact_ruby_fetch_pacts_for_verification_test.rb b/spec/service_providers/pact_ruby_fetch_pacts_for_verification_test.rb
index 1eec32d4..6260dce9 100644
--- a/spec/service_providers/pact_ruby_fetch_pacts_for_verification_test.rb
+++ b/spec/service_providers/pact_ruby_fetch_pacts_for_verification_test.rb
@@ -16,16 +16,18 @@
   let(:pacts_for_verification_relation) { Pact::PactBroker::FetchPactURIsForVerification::PACTS_FOR_VERIFICATION_RELATION }
   let(:body) do
     {
+      "providerVersionBranch" => "main",
       "providerVersionTags"  => ["pdev"],
       "consumerVersionSelectors" => [{ "tag" => "cdev", "latest" => true}],
       "includePendingStatus" => true
     }
   end
+  let(:provider_version_branch) { "main" }
   let(:provider_version_tags) { %w[pdev] }
   let(:consumer_version_selectors) { [ { tag: "cdev", latest: true }] }
   let(:options) { { include_pending_status: true }}
 
-  subject { Pact::PactBroker::FetchPactURIsForVerification.call(provider, consumer_version_selectors, provider_version_tags, broker_base_url, basic_auth_options, options) }
+  subject { Pact::PactBroker::FetchPactURIsForVerification.call(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, basic_auth_options, options) }
 
   describe 'fetch pacts' do
     let(:provider) { 'Bar' }
diff --git a/spec/support/bar_pact_helper.rb b/spec/support/bar_pact_helper.rb
index ae03faea..8f1752f9 100644
--- a/spec/support/bar_pact_helper.rb
+++ b/spec/support/bar_pact_helper.rb
@@ -16,6 +16,7 @@ def call env
     Pact.service_provider "Bar" do
       app { BarApp.new }
       app_version '1.2.3'
+      app_version_branch 'master'
       app_version_tags ['master']
       publish_verification_results true
 
diff --git a/tasks/foo-bar.rake b/tasks/foo-bar.rake
index ea5abf81..ebe3129c 100644
--- a/tasks/foo-bar.rake
+++ b/tasks/foo-bar.rake
@@ -41,7 +41,7 @@ Pact::VerificationTask.new('foobar:wip') do | pact |
 end
 
 Pact::VerificationTask.new(:foobar_using_broker) do | pact |
-  pact.uri "#{BROKER_BASE_URL}/pacts/provider/Bar/consumer/Foo/version/1.0.0", :pact_helper => './spec/support/bar_pact_helper.rb', username: BROKER_USERNAME, password: BROKER_PASSWORD
+  pact.uri nil, :pact_helper => './spec/support/bar_pact_helper.rb', username: BROKER_USERNAME, password: BROKER_PASSWORD
 end
 
 Pact::VerificationTask.new('foobar_using_broker:fail') do | pact |