diff --git a/lib/pact_broker/badges/service.rb b/lib/pact_broker/badges/service.rb
index 2737a41fe..5a79a5e22 100644
--- a/lib/pact_broker/badges/service.rb
+++ b/lib/pact_broker/badges/service.rb
@@ -132,7 +132,7 @@ def do_request(uri)
         with_cache uri do
           request = Net::HTTP::Get.new(uri)
           options = {read_timeout: 3, open_timeout: 1, ssl_timeout: 1, continue_timeout: 1}
-          options.merge! PactBroker::BuildHttpOptions.call(uri)
+          options.merge! PactBroker::BuildHttpOptions.call(uri, disable_ssl_verification: PactBroker.configuration.disable_ssl_verification)
 
           Net::HTTP.start(uri.hostname, uri.port, :ENV, options) do |http|
             http.request request
diff --git a/lib/pact_broker/build_http_options.rb b/lib/pact_broker/build_http_options.rb
index 9694144b0..3d1a7cb38 100644
--- a/lib/pact_broker/build_http_options.rb
+++ b/lib/pact_broker/build_http_options.rb
@@ -4,13 +4,13 @@ module PactBroker
   class BuildHttpOptions
     extend PactBroker::Services
 
-    def self.call uri, disable_ssl_verification: false
+    def self.call uri, disable_ssl_verification: false, cert_store: nil
       uri = URI(uri)
       options = {}
 
       if uri.scheme == "https"
         options[:use_ssl] = true
-        options[:cert_store] = cert_store
+        options[:cert_store] = cert_store if cert_store
         if disable_ssl_verification
           options[:verify_mode] = OpenSSL::SSL::VERIFY_NONE
         else
@@ -19,10 +19,6 @@ def self.call uri, disable_ssl_verification: false
       end
       options
     end
-
-    def self.cert_store
-      certificate_service.cert_store
-    end
   end
 end
 
diff --git a/lib/pact_broker/domain/webhook.rb b/lib/pact_broker/domain/webhook.rb
index 142741df2..4c99b5d97 100644
--- a/lib/pact_broker/domain/webhook.rb
+++ b/lib/pact_broker/domain/webhook.rb
@@ -50,7 +50,7 @@ def request_description
       def execute pact, verification, event_context, options
         logger.info "Executing #{self} event_context=#{event_context}"
         template_params = template_parameters(pact, verification, event_context, options)
-        webhook_request = request.build(template_params, options.slice(:user_agent, :disable_ssl_verification))
+        webhook_request = request.build(template_params, options.slice(:user_agent, :disable_ssl_verification, :cert_store))
         http_response, error = execute_request(webhook_request)
         success = success?(http_response, options)
         http_request = webhook_request.http_request
diff --git a/lib/pact_broker/domain/webhook_request.rb b/lib/pact_broker/domain/webhook_request.rb
index b1e1c3edc..c127a3d82 100644
--- a/lib/pact_broker/domain/webhook_request.rb
+++ b/lib/pact_broker/domain/webhook_request.rb
@@ -18,7 +18,7 @@ class WebhookRequest
 
       HEADERS_TO_REDACT = [/authorization/i, /token/i]
 
-      attr_accessor :method, :url, :headers, :body, :username, :password, :uuid, :user_agent, :disable_ssl_verification
+      attr_accessor :method, :url, :headers, :body, :username, :password, :uuid, :user_agent, :disable_ssl_verification, :cert_store
 
       # Reform gets confused by the :method method, as :method is a standard
       # Ruby method.
@@ -47,7 +47,7 @@ def redacted_headers
       end
 
       def execute
-        options = PactBroker::BuildHttpOptions.call(uri, disable_ssl_verification: disable_ssl_verification).merge(read_timeout: 15, open_timeout: 15)
+        options = PactBroker::BuildHttpOptions.call(uri, disable_ssl_verification: disable_ssl_verification, cert_store: cert_store).merge(read_timeout: 15, open_timeout: 15)
         req = http_request
         Net::HTTP.start(uri.hostname, uri.port, :ENV, options) do |http|
           http.request req
diff --git a/lib/pact_broker/webhooks/execution_configuration.rb b/lib/pact_broker/webhooks/execution_configuration.rb
index f905d62e2..599c4b243 100644
--- a/lib/pact_broker/webhooks/execution_configuration.rb
+++ b/lib/pact_broker/webhooks/execution_configuration.rb
@@ -45,6 +45,10 @@ def with_disable_ssl_verification(value)
         with_updated_attribute(disable_ssl_verification: value)
       end
 
+      def with_cert_store(value)
+        with_updated_attribute(cert_store: value)
+      end
+
       def webhook_context
         self[:webhook_context]
       end
diff --git a/lib/pact_broker/webhooks/execution_configuration_creator.rb b/lib/pact_broker/webhooks/execution_configuration_creator.rb
index 25ccb84aa..f05c165a9 100644
--- a/lib/pact_broker/webhooks/execution_configuration_creator.rb
+++ b/lib/pact_broker/webhooks/execution_configuration_creator.rb
@@ -1,9 +1,12 @@
 require "pact_broker/configuration"
+require "pact_broker/services"
 require "pact_broker/webhooks/execution_configuration"
 
 module PactBroker
   module Webhooks
     class ExecutionConfigurationCreator
+      extend PactBroker::Services
+
       def self.call(resource)
         PactBroker::Webhooks::ExecutionConfiguration.new
           .with_show_response(PactBroker.configuration.show_webhook_response?)
@@ -11,6 +14,7 @@ def self.call(resource)
           .with_http_success_codes(PactBroker.configuration.webhook_http_code_success)
           .with_user_agent(PactBroker.configuration.user_agent)
           .with_disable_ssl_verification(PactBroker.configuration.disable_ssl_verification)
+          .with_cert_store(certificate_service.cert_store)
           .with_webhook_context(base_url: resource.base_url)
       end
     end
diff --git a/lib/pact_broker/webhooks/webhook_request_template.rb b/lib/pact_broker/webhooks/webhook_request_template.rb
index 27f2ed816..b29c76895 100644
--- a/lib/pact_broker/webhooks/webhook_request_template.rb
+++ b/lib/pact_broker/webhooks/webhook_request_template.rb
@@ -27,7 +27,7 @@ def initialize attributes = {}
         @headers = Rack::Utils::HeaderHash.new(attributes[:headers] || {})
       end
 
-      def build(template_params, user_agent: nil, disable_ssl_verification: false)
+      def build(template_params, user_agent: nil, disable_ssl_verification: false, cert_store: nil)
         attributes = {
           method: http_method,
           url: build_url(template_params),
@@ -37,7 +37,8 @@ def build(template_params, user_agent: nil, disable_ssl_verification: false)
           uuid: uuid,
           body: build_body(template_params),
           user_agent: user_agent,
-          disable_ssl_verification: disable_ssl_verification
+          disable_ssl_verification: disable_ssl_verification,
+          cert_store: cert_store
         }
         PactBroker::Domain::WebhookRequest.new(attributes)
       end
diff --git a/spec/integration/webhooks/certificate_spec.rb b/spec/integration/webhooks/certificate_spec.rb
index 9cfd0734b..2af727a96 100644
--- a/spec/integration/webhooks/certificate_spec.rb
+++ b/spec/integration/webhooks/certificate_spec.rb
@@ -1,4 +1,5 @@
 require "pact_broker/domain/webhook_request"
+require "pact_broker/certificates/service"
 require "faraday"
 # certificates and key generated by script/generate-certificates-for-webooks-certificate-spec.rb
 
@@ -18,9 +19,12 @@ def wait_for_server_to_start
   let(:webhook_request) do
     PactBroker::Domain::WebhookRequest.new(
       method: "get",
-      url: "https://localhost:4444/")
+      url: "https://localhost:4444/",
+      cert_store: cert_store)
   end
 
+  let(:cert_store) { PactBroker::Certificates::Service.cert_store }
+
   subject { webhook_request.execute }
 
   context "without the correct cacert" do
diff --git a/spec/lib/pact_broker/domain/webhook_spec.rb b/spec/lib/pact_broker/domain/webhook_spec.rb
index da7203701..42a7da10f 100644
--- a/spec/lib/pact_broker/domain/webhook_spec.rb
+++ b/spec/lib/pact_broker/domain/webhook_spec.rb
@@ -15,7 +15,8 @@ module Domain
       let(:response_code) { "200" }
       let(:event_context) { { some: "things" } }
       let(:logging_options) { { other: "options" } }
-      let(:options) { { logging_options: logging_options, http_success_codes: [200], user_agent: "user agent", disable_ssl_verification: true} }
+      let(:options) { { logging_options: logging_options, http_success_codes: [200], user_agent: "user agent", disable_ssl_verification: true, cert_store: cert_store } }
+      let(:cert_store) { double("cert store") }
       let(:pact) { double("pact") }
       let(:verification) { double("verification") }
       let(:logger) { double("logger").as_null_object }
@@ -107,7 +108,12 @@ module Domain
         end
 
         it "builds the request" do
-          expect(request_template).to receive(:build).with(webhook_template_parameters_hash, user_agent: "user agent", disable_ssl_verification: true)
+          expect(request_template).to receive(:build).with(
+            webhook_template_parameters_hash,
+            user_agent: "user agent",
+            disable_ssl_verification: true,
+            cert_store: cert_store
+          )
           execute
         end
 
diff --git a/spec/lib/pact_broker/webhooks/webhook_request_template_spec.rb b/spec/lib/pact_broker/webhooks/webhook_request_template_spec.rb
index 306e09326..ef38302d5 100644
--- a/spec/lib/pact_broker/webhooks/webhook_request_template_spec.rb
+++ b/spec/lib/pact_broker/webhooks/webhook_request_template_spec.rb
@@ -25,7 +25,8 @@ module Webhooks
           body: built_body,
           headers: {"headername" => "headervalueBUILT"},
           user_agent: "Pact Broker",
-          disable_ssl_verification: true
+          disable_ssl_verification: true,
+          cert_store: cert_store
         }
       end
 
@@ -37,6 +38,7 @@ module Webhooks
       let(:built_url) { "http://example.org/hook?foo=barBUILT" }
       let(:body) { { foo: "bar" } }
       let(:built_body) { '{"foo":"bar"}BUILT' }
+      let(:cert_store) { double("cert_store") }
 
       describe "#build" do
         before do
@@ -47,7 +49,14 @@ module Webhooks
 
         let(:params_hash) { double("params hash") }
 
-        subject { WebhookRequestTemplate.new(attributes).build(params_hash, user_agent: "Pact Broker", disable_ssl_verification: true) }
+        subject do
+          WebhookRequestTemplate.new(attributes).build(
+            params_hash,
+            user_agent: "Pact Broker",
+            disable_ssl_verification: true,
+            cert_store: cert_store
+          )
+        end
 
         it "renders the url template" do
           expect(PactBroker::Webhooks::Render).to receive(:call).with(url, params_hash) do | content, pact, verification, &block |