diff --git a/.rubocop.yml b/.rubocop.yml
index fb7f978..4cdd7b8 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -2,6 +2,9 @@ inherit_gem:
   theforeman-rubocop:
     - strict.yml
 
+AllCops:
+  TargetRubyVersion: 2.7
+
 Layout/LineLength:
   Enabled: 111 # TODO: discuss and set this
 
diff --git a/app/lib/foreman_google/google_compute_adapter.rb b/app/lib/foreman_google/google_compute_adapter.rb
index dbf1526..41a1562 100644
--- a/app/lib/foreman_google/google_compute_adapter.rb
+++ b/app/lib/foreman_google/google_compute_adapter.rb
@@ -91,9 +91,9 @@ def set_disk_auto_delete(zone, instance_identity)
       instance = instance(zone, instance_identity)
       instance.disks.each do |disk|
         manage_instance :set_disk_auto_delete, zone: zone,
-                        device_name: disk.device_name,
-                        instance: instance_identity,
-                        auto_delete: true
+          device_name: disk.device_name,
+          instance: instance_identity,
+          auto_delete: true
       end
     end
 
diff --git a/db/migrate/20220331113745_foreman_gce_to_foreman_google_gce.rb b/db/migrate/20220331113745_foreman_gce_to_foreman_google_gce.rb
index e281bf9..f74435e 100644
--- a/db/migrate/20220331113745_foreman_gce_to_foreman_google_gce.rb
+++ b/db/migrate/20220331113745_foreman_gce_to_foreman_google_gce.rb
@@ -10,7 +10,7 @@ def up
       # mechanism failed to locate the subclass: 'Foreman::Model::GCE'
       ComputeResource.unscoped.where(type: original_type).update_all(type: new_type)
 
-      ComputeResource.unscoped.where(type: new_type).each do |cr|
+      ComputeResource.unscoped.where(type: new_type).find_each do |cr|
         unless cr.attrs[:key_path]
           say("Compute resource [#{cr.name}] is missing path to JSON key file, can't load the data. Please update the resource manually.")
           next
diff --git a/foreman_google.gemspec b/foreman_google.gemspec
index d2fbc1d..9b56926 100644
--- a/foreman_google.gemspec
+++ b/foreman_google.gemspec
@@ -11,7 +11,7 @@ Gem::Specification.new do |s|
   s.homepage    = 'https://github.com/theforeman/foreman_google'
   s.summary     = 'Google Compute Engine plugin for the Foreman'
   s.description = 'Google Compute Engine plugin for the Foreman'
-  s.required_ruby_version = '>= 2.5'
+  s.required_ruby_version = '>= 2.7', '< 4'
 
   s.files = Dir['{app,config,db,lib,locale,webpack}/**/*'] + ['LICENSE', 'Rakefile', 'README.md', 'package.json']
   s.test_files = Dir['test/**/*'] + Dir['webpack/**/__tests__/*.js']
diff --git a/test/test_google_helper.rb b/test/test_google_helper.rb
index 30b59e3..2081b69 100644
--- a/test/test_google_helper.rb
+++ b/test/test_google_helper.rb
@@ -16,7 +16,7 @@ class GoogleTestCase < ActiveSupport::TestCase
   let(:google_access_token) { 'ya29.c.stubbed_token' }
   let(:gce_cr) { FactoryBot.create(:compute_resource, :google_gce) }
   let(:google_project_id) { gce_cr.google_project_id }
-  let(:gauth_json) { (ENV['VCR'] == '1' ? ENV['GCE_AUTH'] : nil) || gce_cr.password }
+  let(:gauth_json) { ((ENV['VCR'] == '1') ? ENV['GCE_AUTH'] : nil) || gce_cr.password }
 
   setup do
     ::Signet::OAuth2::Client.any_instance.stubs(fetch_access_token!: google_access_token) unless ENV['VCR'] == '1'