diff --git a/spec/blueprints_spec.rb b/spec/blueprints_spec.rb
index c2ebec7..f937a8a 100644
--- a/spec/blueprints_spec.rb
+++ b/spec/blueprints_spec.rb
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-require "spec_helper"
+# require "spec_helper"
 require_relative "../lib/novu"
 
 RSpec.describe Novu::Api::Blueprints do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#get_blueprint" do
diff --git a/spec/changes_spec.rb b/spec/changes_spec.rb
index 5e35a4e..a0a26dc 100644
--- a/spec/changes_spec.rb
+++ b/spec/changes_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Changes do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#changes" do
diff --git a/spec/environments_spec.rb b/spec/environments_spec.rb
index 7334de9..419a320 100644
--- a/spec/environments_spec.rb
+++ b/spec/environments_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Environments do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#environment" do
diff --git a/spec/events_spec.rb b/spec/events_spec.rb
index b16cab6..7f9adf9 100644
--- a/spec/events_spec.rb
+++ b/spec/events_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Events do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#trigger_event" do
diff --git a/spec/execution_details_spec.rb b/spec/execution_details_spec.rb
index c697583..0195daa 100644
--- a/spec/execution_details_spec.rb
+++ b/spec/execution_details_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::ExecutionDetails do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#execution_details" do
diff --git a/spec/feeds_spec.rb b/spec/feeds_spec.rb
index 10110e5..74c3021 100644
--- a/spec/feeds_spec.rb
+++ b/spec/feeds_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Feeds do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#create_feed" do
diff --git a/spec/inbound_parse_spec.rb b/spec/inbound_parse_spec.rb
index 1db95a2..da58192 100644
--- a/spec/inbound_parse_spec.rb
+++ b/spec/inbound_parse_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::InboundParse do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:subscriber_id) { "63f71b3ef067290fa669106d" }
 
diff --git a/spec/integrations_spec.rb b/spec/integrations_spec.rb
index 9876fbe..cabb745 100644
--- a/spec/integrations_spec.rb
+++ b/spec/integrations_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Integrations do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#integrations" do
diff --git a/spec/layouts_spec.rb b/spec/layouts_spec.rb
index adcb0c2..39203b6 100644
--- a/spec/layouts_spec.rb
+++ b/spec/layouts_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Layouts do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:layout_id) { "63f71b3ef067290fa669106d" }
 
diff --git a/spec/messsages_spec.rb b/spec/messsages_spec.rb
index 8265678..2f995f0 100644
--- a/spec/messsages_spec.rb
+++ b/spec/messsages_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Messages do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#message" do
diff --git a/spec/notification_groups_spec.rb b/spec/notification_groups_spec.rb
index 063fd7b..2ffcf22 100644
--- a/spec/notification_groups_spec.rb
+++ b/spec/notification_groups_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::NotificationGroups do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#create_notification_group" do
diff --git a/spec/notification_spec.rb b/spec/notification_spec.rb
index 23fc85e..b65370e 100644
--- a/spec/notification_spec.rb
+++ b/spec/notification_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Notification do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
 
   describe "#notifications" do
diff --git a/spec/notification_templates_spec.rb b/spec/notification_templates_spec.rb
index 6cd30cd..ee1879f 100644
--- a/spec/notification_templates_spec.rb
+++ b/spec/notification_templates_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::NotificationTemplates do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:template_id) { "63f71b3ef067290fa669106d" }
 
diff --git a/spec/subscribers_spec.rb b/spec/subscribers_spec.rb
index b0541bb..1748285 100644
--- a/spec/subscribers_spec.rb
+++ b/spec/subscribers_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Subscribers do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:subscriber_id) { "63f71b3ef067290fa669106d" }
 
diff --git a/spec/tenants_spec.rb b/spec/tenants_spec.rb
index cfeed41..d5dd9ef 100644
--- a/spec/tenants_spec.rb
+++ b/spec/tenants_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Tenants do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:identifier) { "a_unique_string" }
 
diff --git a/spec/topics_spec.rb b/spec/topics_spec.rb
index 3a91fb5..26d9770 100644
--- a/spec/topics_spec.rb
+++ b/spec/topics_spec.rb
@@ -5,7 +5,7 @@
 
 RSpec.describe Novu::Api::Topics do
   let(:access_token) { "1234567890" }
-  let(:client) { Novu::Client.new(access_token) }
+  let(:client) { Novu::Client.new(access_token: access_token) }
   let(:base_uri) { "https://api.novu.co/v1" }
   let(:topic_key) { "test-topic" }