diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 7f32427..7853dd0 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -22,3 +22,12 @@ jobs:
         run: bundle exec rubocop
       - name: Run tests
         run: bundle exec rake test
+      - run: 'echo "$GOOGLE_APPLICATION_CREDENTIALS" > account_secret.json'
+        shell: bash
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS: ${{secrets.GOOGLE_APPLICATION_CREDENTIALS}}
+      - name: Run private google sheet tests
+        if: matrix.ruby == '3.2.0' # Limit execution on latest ruby version to prevent reaching rate limits
+        run: bundle exec rake test_private_google_sheet
+        env:
+          GOOGLE_APPLICATION_CREDENTIALS: 'account_secret.json'
diff --git a/.gitignore b/.gitignore
index 58b188b..c825cc7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ ad_localize/tmp/
 .ruby-version
 pkg/
 exports/
+account_secret.json
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 37084ef..a9ad65c 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2023-12-12 14:55:05 UTC using RuboCop version 1.58.0.
+# on 2023-12-12 15:16:08 UTC using RuboCop version 1.58.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -14,7 +14,7 @@ Gemspec/OrderedDependencies:
   Exclude:
     - 'ad_localize.gemspec'
 
-# Offense count: 86
+# Offense count: 87
 # This cop supports safe autocorrection (--autocorrect).
 Layout/EmptyLineAfterMagicComment:
   Enabled: false
@@ -184,7 +184,7 @@ Style/NegatedIf:
   Exclude:
     - 'lib/ad_localize/interactors/generate_strings.rb'
 
-# Offense count: 2
+# Offense count: 3
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle, AllowedMethods, AllowedPatterns.
 # SupportedStyles: predicate, comparison
@@ -192,6 +192,7 @@ Style/NumericPredicate:
   Exclude:
     - 'spec/**/*'
     - 'test/repositories/drive_repository_test.rb'
+    - 'test/repositories/private_drive_repository_test.rb'
 
 # Offense count: 1
 # This cop supports safe autocorrection (--autocorrect).
@@ -283,19 +284,20 @@ Style/StringConcatenation:
     - 'lib/ad_localize/serializers/strings_serializer.rb'
     - 'lib/ad_localize/serializers/templated_serializer.rb'
 
-# Offense count: 142
+# Offense count: 146
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
 # SupportedStyles: single_quotes, double_quotes
 Style/StringLiterals:
   Enabled: false
 
-# Offense count: 3
+# Offense count: 4
 # This cop supports unsafe autocorrection (--autocorrect-all).
 Style/ZeroLengthPredicate:
   Exclude:
     - 'lib/ad_localize/mappers/locale_wording_to_hash.rb'
     - 'test/repositories/drive_repository_test.rb'
+    - 'test/repositories/private_drive_repository_test.rb'
 
 # Offense count: 15
 # This cop supports safe autocorrection (--autocorrect).
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b3f341..a720e66 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Updated dependencies
+- Increase number of retries to 5 and timeout delay to 120s when accessing Google APIs. This reduces the amount of rate limit error when using private Google spreadsheet.
 
 ## 6.1.0
 ### Added
diff --git a/Rakefile b/Rakefile
index 89a08dc..c2efb39 100644
--- a/Rakefile
+++ b/Rakefile
@@ -5,7 +5,13 @@ require "rake/testtask"
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
-  t.test_files = FileList["test/**/*_test.rb"]
+  t.test_files = FileList["test/**/*_test.rb"].exclude("**/private_drive_repository_test.rb")
+end
+
+Rake::TestTask.new(:test_private_google_sheet) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/**/private_drive_repository_test.rb"]
 end
 
 task :default => :test
diff --git a/lib/ad_localize/repositories/drive_repository.rb b/lib/ad_localize/repositories/drive_repository.rb
index 7d62034..7a77b10 100644
--- a/lib/ad_localize/repositories/drive_repository.rb
+++ b/lib/ad_localize/repositories/drive_repository.rb
@@ -17,7 +17,7 @@ def download_sheets_by_id(spreadsheet_id:, sheet_ids:)
         sheet_ids.filter_map do |sheet_id|
           begin
             url = export_url(spreadsheet_id: spreadsheet_id, sheet_id: sheet_id)
-            string = @drive_service.http(:get, url, options: { retries: 3, max_elapsed_time: 60 })
+            string = @drive_service.http(:get, url, options: { retries: 5, max_elapsed_time: 120 })
             next unless string
 
             tempfile = Tempfile.new
diff --git a/test/repositories/drive_repository_test.rb b/test/repositories/drive_repository_test.rb
index 903567f..14ccbe0 100644
--- a/test/repositories/drive_repository_test.rb
+++ b/test/repositories/drive_repository_test.rb
@@ -15,30 +15,12 @@ class DriveRepositoryTest < TestCase
         end
       end
 
-      test 'download private sheets' do
-        skip('This test needs CI update to work')
-        spreadsheet_id = '149EE3axc9e0knaCZuf7nTjj0vR7EyRhGgGT3MqWKpwM'
-        sheet_ids = %w[0 877315405]
-        files = DriveRepository.new.download_sheets_by_id(spreadsheet_id: spreadsheet_id, sheet_ids: sheet_ids)
-        assert_equal 2, files.size
-        assert_not_equal files.first.read, files.second.read
-        files.each do |file|
-          assert file.size > 0
-        end
-      end
-
       test 'download all sheets in public spreadsheet' do
         spreadsheet_id = '10tmRtgFi1hG53fCcTTHgBjS5or_eCrHkwq4kJCLrYRA'
         files = DriveRepository.new.download_all_sheets(spreadsheet_id: spreadsheet_id)
         assert_empty files
       end
 
-      test 'download all sheets in private spreadsheet' do
-        spreadsheet_id = '149EE3axc9e0knaCZuf7nTjj0vR7EyRhGgGT3MqWKpwM'
-        files = DriveRepository.new.download_all_sheets(spreadsheet_id: spreadsheet_id)
-        assert_empty files
-      end
-
       test 'handle error on download specific sheets' do
         spreadsheet_id = '10tmRtgFi1hG53fCcTTHgBjS5or_eCrHkwq4kJCLrYRA'
         fake_sheet_ids = %w[-2 -1]
diff --git a/test/repositories/private_drive_repository_test.rb b/test/repositories/private_drive_repository_test.rb
new file mode 100644
index 0000000..d8d60d3
--- /dev/null
+++ b/test/repositories/private_drive_repository_test.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+require 'test_helper'
+
+module AdLocalize
+  module Repositories
+    class PrivateDriveRepositoryTest < TestCase
+      test 'download private sheets' do
+        spreadsheet_id = '149EE3axc9e0knaCZuf7nTjj0vR7EyRhGgGT3MqWKpwM'
+        sheet_ids = %w[0 877315405]
+        files = DriveRepository.new.download_sheets_by_id(spreadsheet_id: spreadsheet_id, sheet_ids: sheet_ids)
+        assert_equal 2, files.size
+        assert_not_equal files.first.read, files.second.read
+        files.each do |file|
+          assert file.size > 0
+        end
+      end
+
+      test 'download all sheets in private spreadsheet' do
+        spreadsheet_id = '149EE3axc9e0knaCZuf7nTjj0vR7EyRhGgGT3MqWKpwM'
+        files = DriveRepository.new.download_all_sheets(spreadsheet_id: spreadsheet_id)
+        assert_equal 2, files.size
+        assert_not_equal files.first.read, files.second.read
+        files.each do |file|
+          assert file.size > 0
+        end
+      end
+    end
+  end
+end