diff --git a/lib/lago-ruby-client.rb b/lib/lago-ruby-client.rb
index 33b4904..b2785e5 100644
--- a/lib/lago-ruby-client.rb
+++ b/lib/lago-ruby-client.rb
@@ -23,10 +23,10 @@
 require 'lago/api/resources/gross_revenue'
 require 'lago/api/resources/group'
 require 'lago/api/resources/invoice'
+require 'lago/api/resources/invoice_collection'
 require 'lago/api/resources/invoiced_usage'
 require 'lago/api/resources/mrr'
 require 'lago/api/resources/organization'
-require 'lago/api/resources/outstanding_invoice'
 require 'lago/api/resources/plan'
 require 'lago/api/resources/subscription'
 require 'lago/api/resources/tax'
diff --git a/lib/lago/api/resources/outstanding_invoice.rb b/lib/lago/api/resources/invoice_collection.rb
similarity index 61%
rename from lib/lago/api/resources/outstanding_invoice.rb
rename to lib/lago/api/resources/invoice_collection.rb
index 9d4ce6b..3efd8aa 100644
--- a/lib/lago/api/resources/outstanding_invoice.rb
+++ b/lib/lago/api/resources/invoice_collection.rb
@@ -3,13 +3,13 @@
 module Lago
   module Api
     module Resources
-      class OutstandingInvoice < Base
+      class InvoiceCollection < Base
         def api_resource
-          'analytics/outstanding_invoices'
+          'analytics/invoice_collection'
         end
 
         def root_name
-          'outstanding_invoice'
+          'invoice_collection'
         end
       end
     end
diff --git a/spec/fixtures/api/outstanding_invoice_index.json b/spec/fixtures/api/invoice_collection_index.json
similarity index 92%
rename from spec/fixtures/api/outstanding_invoice_index.json
rename to spec/fixtures/api/invoice_collection_index.json
index fd809fd..4ce58b5 100644
--- a/spec/fixtures/api/outstanding_invoice_index.json
+++ b/spec/fixtures/api/invoice_collection_index.json
@@ -1,5 +1,5 @@
 {
-  "outstanding_invoices": [
+  "invoice_collections": [
     {
       "month": "2023-11-01T00:00:00.000Z",
       "payment_status": "pending",
diff --git a/spec/lago/api/resources/outstanding_invoice_spec.rb b/spec/lago/api/resources/outstanding_invoice_spec.rb
index 50ad702..b46f13b 100644
--- a/spec/lago/api/resources/outstanding_invoice_spec.rb
+++ b/spec/lago/api/resources/outstanding_invoice_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Lago::Api::Resources::OutstandingInvoice do
+RSpec.describe Lago::Api::Resources::InvoiceCollection do
   subject(:resource) { described_class.new(client) }
 
   let(:client) { Lago::Api::Client.new }
@@ -16,39 +16,39 @@
   end
 
   describe '#get_all' do
-    let(:outstanding_invoices_response) { load_fixture('outstanding_invoice_index') }
+    let(:invoice_collections_response) { load_fixture('invoice_collection_index') }
 
     context 'when there is no options' do
       before do
-        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/outstanding_invoices')
-          .to_return(body: outstanding_invoices_response, status: 200)
+        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/invoice_collection')
+          .to_return(body: invoice_collections_response, status: 200)
       end
 
       it 'returns gross revenue' do
         response = resource.get_all
 
-        expect(response['outstanding_invoices'].first['currency']).to eq('EUR')
-        expect(response['outstanding_invoices'].first['amount_cents']).to eq(100)
+        expect(response['invoice_collections'].first['currency']).to eq('EUR')
+        expect(response['invoice_collections'].first['amount_cents']).to eq(100)
       end
     end
 
     context 'when options are present' do
       before do
-        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/outstanding_invoices?currency=EUR')
-          .to_return(body: outstanding_invoices_response, status: 200)
+        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/invoice_collection?currency=EUR')
+          .to_return(body: invoice_collections_response, status: 200)
       end
 
-      it 'returns gross revenue' do
+      it 'returns invoice collection' do
         response = resource.get_all({ currency: 'EUR' })
 
-        expect(response['outstanding_invoices'].first['currency']).to eq('EUR')
-        expect(response['outstanding_invoices'].first['amount_cents']).to eq(100)
+        expect(response['invoice_collections'].first['currency']).to eq('EUR')
+        expect(response['invoice_collections'].first['amount_cents']).to eq(100)
       end
     end
 
     context 'when there is an issue' do
       before do
-        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/outstanding_invoices')
+        stub_request(:get, 'https://api.getlago.com/api/v1/analytics/invoice_collection')
           .to_return(body: error_response, status: 422)
       end
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 17f128b..f397ec8 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -19,10 +19,10 @@
 require 'lago/api/resources/gross_revenue'
 require 'lago/api/resources/group'
 require 'lago/api/resources/invoice'
+require 'lago/api/resources/invoice_collection'
 require 'lago/api/resources/invoiced_usage'
 require 'lago/api/resources/mrr'
 require 'lago/api/resources/organization'
-require 'lago/api/resources/outstanding_invoice'
 require 'lago/api/resources/plan'
 require 'lago/api/resources/subscription'
 require 'lago/api/resources/tax'