diff --git a/spec/lib/api/entities/basic_project_details_spec.rb b/spec/lib/api/entities/basic_project_details_spec.rb
index dc7c4fdce4ee9db2127445f66c75befef3278c28..8419eb0a9322b00b46b8874d7939da31872c4083 100644
--- a/spec/lib/api/entities/basic_project_details_spec.rb
+++ b/spec/lib/api/entities/basic_project_details_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe API::Entities::BasicProjectDetails do
   let_it_be(:project) { create(:project) }
 
-  let(:current_user) { project.owner }
+  let(:current_user) { project.first_owner }
 
   subject(:output) { described_class.new(project, current_user: current_user).as_json }
 
diff --git a/spec/lib/api/helpers_spec.rb b/spec/lib/api/helpers_spec.rb
index 2277bd78e86806f070ef50363d622b3ea0cb3ae8..d81f39f3a55277b203f0730c27f903f28aeb5e00 100644
--- a/spec/lib/api/helpers_spec.rb
+++ b/spec/lib/api/helpers_spec.rb
@@ -160,7 +160,7 @@ def app
   describe '#find_project!' do
     let_it_be(:project) { create(:project) }
 
-    let(:user) { project.owner}
+    let(:user) { project.first_owner}
 
     before do
       allow(subject).to receive(:current_user).and_return(user)
diff --git a/spec/lib/backup/gitaly_backup_spec.rb b/spec/lib/backup/gitaly_backup_spec.rb
index cd0d984fbdb35314bb4c17ec060f003be54850bf..6bf4f833c1f14b7af53014922b030a48e0b6ebe1 100644
--- a/spec/lib/backup/gitaly_backup_spec.rb
+++ b/spec/lib/backup/gitaly_backup_spec.rb
@@ -38,7 +38,7 @@
         create(:wiki_page, container: project)
         create(:design, :with_file, issue: create(:issue, project: project))
         project_snippet = create(:project_snippet, :repository, project: project)
-        personal_snippet = create(:personal_snippet, :repository, author: project.owner)
+        personal_snippet = create(:personal_snippet, :repository, author: project.first_owner)
 
         expect(Open3).to receive(:popen2).with(expected_env, anything, 'create', '-path', anything).and_call_original
 
@@ -122,8 +122,8 @@
 
   context 'restore' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
-    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
+    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.first_owner) }
+    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.first_owner) }
 
     def copy_bundle_to_backup_path(bundle_name, destination)
       FileUtils.mkdir_p(File.join(Gitlab.config.backup.path, 'repositories', File.dirname(destination)))
diff --git a/spec/lib/backup/gitaly_rpc_backup_spec.rb b/spec/lib/backup/gitaly_rpc_backup_spec.rb
index 14f9d27ca6e208374e1695a5cf971f1dfd3c8612..4829d51ac9d75602effbe7505f77d52afc69e017 100644
--- a/spec/lib/backup/gitaly_rpc_backup_spec.rb
+++ b/spec/lib/backup/gitaly_rpc_backup_spec.rb
@@ -25,7 +25,7 @@
         create(:wiki_page, container: project)
         create(:design, :with_file, issue: create(:issue, project: project))
         project_snippet = create(:project_snippet, :repository, project: project)
-        personal_snippet = create(:personal_snippet, :repository, author: project.owner)
+        personal_snippet = create(:personal_snippet, :repository, author: project.first_owner)
 
         subject.start(:create)
         subject.enqueue(project, Gitlab::GlRepository::PROJECT)
@@ -75,8 +75,8 @@
 
   context 'restore' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
-    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
+    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.first_owner) }
+    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.first_owner) }
 
     def copy_bundle_to_backup_path(bundle_name, destination)
       FileUtils.mkdir_p(File.join(Gitlab.config.backup.path, 'repositories', File.dirname(destination)))
diff --git a/spec/lib/backup/repositories_spec.rb b/spec/lib/backup/repositories_spec.rb
index f3830da344bb5502bb52e1fc47f1264b151d7649..b06f22372111a54924f671147f0ffb9e27af785d 100644
--- a/spec/lib/backup/repositories_spec.rb
+++ b/spec/lib/backup/repositories_spec.rb
@@ -15,7 +15,7 @@
     RSpec.shared_examples 'creates repository bundles' do
       it 'calls enqueue for each repository type', :aggregate_failures do
         project_snippet = create(:project_snippet, :repository, project: project)
-        personal_snippet = create(:personal_snippet, :repository, author: project.owner)
+        personal_snippet = create(:personal_snippet, :repository, author: project.first_owner)
 
         subject.dump(max_concurrency: 1, max_storage_concurrency: 1)
 
@@ -172,8 +172,8 @@
 
   describe '#restore' do
     let_it_be(:project) { create(:project) }
-    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
-    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
+    let_it_be(:personal_snippet) { create(:personal_snippet, author: project.first_owner) }
+    let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.first_owner) }
 
     it 'calls enqueue for each repository type', :aggregate_failures do
       subject.restore
diff --git a/spec/lib/banzai/filter/references/issue_reference_filter_spec.rb b/spec/lib/banzai/filter/references/issue_reference_filter_spec.rb
index b3523a25116ebcf5264b9920f270578229a0d52a..c493cb77c9875785cb37f06cc41888a3cde856db 100644
--- a/spec/lib/banzai/filter/references/issue_reference_filter_spec.rb
+++ b/spec/lib/banzai/filter/references/issue_reference_filter_spec.rb
@@ -515,7 +515,7 @@ def helper
       enable_design_management(enabled)
     end
 
-    let(:current_user) { project.owner }
+    let(:current_user) { project.first_owner }
     let(:enabled) { true }
     let(:matches) { Issue.link_reference_pattern.match(input_text) }
     let(:extras) { subject.object_link_text_extras(issue, matches) }
diff --git a/spec/lib/banzai/object_renderer_spec.rb b/spec/lib/banzai/object_renderer_spec.rb
index e64ab5dfce37bb3c8c8de521454162a32506f1a7..8f69480c65f8b26757e5dbc7cf81d810b2fc7e88 100644
--- a/spec/lib/banzai/object_renderer_spec.rb
+++ b/spec/lib/banzai/object_renderer_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Banzai::ObjectRenderer do
   let(:project) { create(:project, :repository) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:renderer) do
     described_class.new(
       default_project: project,
diff --git a/spec/lib/feature_spec.rb b/spec/lib/feature_spec.rb
index 8c546390201a4d203f9659a9a8d67c82b192080a..5080d21d5643a6bdf578f3775ed0768b6f620d21 100644
--- a/spec/lib/feature_spec.rb
+++ b/spec/lib/feature_spec.rb
@@ -728,13 +728,13 @@
     describe '#targets' do
       let(:project) { create(:project) }
       let(:group) { create(:group) }
-      let(:user_name) { project.owner.username }
+      let(:user_name) { project.first_owner.username }
 
       subject { described_class.new(user: user_name, project: project.full_path, group: group.full_path) }
 
       it 'returns all found targets' do
         expect(subject.targets).to be_an(Array)
-        expect(subject.targets).to eq([project.owner, project, group])
+        expect(subject.targets).to eq([project.first_owner, project, group])
       end
     end
   end
diff --git a/spec/lib/gitlab/ci/config/external/rules_spec.rb b/spec/lib/gitlab/ci/config/external/rules_spec.rb
index 091bd3b07e646d3ba3b5406589802dd18bdbff81..e2bb55f38548d703f206a5682de724343151c96a 100644
--- a/spec/lib/gitlab/ci/config/external/rules_spec.rb
+++ b/spec/lib/gitlab/ci/config/external/rules_spec.rb
@@ -45,7 +45,7 @@
         let(:context) { double(project: project, sha: project.repository.tree.sha, top_level_worktree_paths: ['Dockerfile']) }
 
         before do
-          project.repository.create_file(project.owner, 'Dockerfile', "commit", message: 'test', branch_name: "master")
+          project.repository.create_file(project.first_owner, 'Dockerfile', "commit", message: 'test', branch_name: "master")
         end
 
         it { is_expected.to eq(true) }
diff --git a/spec/lib/gitlab/ci/templates/5_minute_production_app_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/5_minute_production_app_ci_yaml_spec.rb
index f8df2266689bb07b502eb06f6da285e4180fde44..8204b104832389d8ebf6bf893d3bd76719b5872d 100644
--- a/spec/lib/gitlab/ci/templates/5_minute_production_app_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/5_minute_production_app_ci_yaml_spec.rb
@@ -8,7 +8,7 @@
   describe 'the created pipeline' do
     let_it_be(:project) { create(:project, :auto_devops, :custom_repo, files: { 'README.md' => '' }) }
 
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:default_branch) { 'master' }
     let(:pipeline_branch) { default_branch }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
diff --git a/spec/lib/gitlab/ci/templates/AWS/deploy_ecs_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/AWS/deploy_ecs_gitlab_ci_yaml_spec.rb
index ca6f6872f89e1c45045272ef8cbdb8146605e751..27de832420659bed8a428ad5f1ebd0e7b2bc194e 100644
--- a/spec/lib/gitlab/ci/templates/AWS/deploy_ecs_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/AWS/deploy_ecs_gitlab_ci_yaml_spec.rb
@@ -9,7 +9,7 @@
     let(:default_branch) { project.default_branch_or_main }
     let(:pipeline_branch) { default_branch }
     let(:project) { create(:project, :auto_devops, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/Jobs/build_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Jobs/build_gitlab_ci_yaml_spec.rb
index bd701aec8fca8697dffa0272aadd32bfff9f8fa4..21052f03cb8da19280f226ec710b2c17b6441c97 100644
--- a/spec/lib/gitlab/ci/templates/Jobs/build_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Jobs/build_gitlab_ci_yaml_spec.rb
@@ -7,7 +7,7 @@
 
   describe 'the created pipeline' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:user) { project.owner }
+    let_it_be(:user) { project.first_owner }
 
     let(:default_branch) { 'master' }
     let(:pipeline_ref) { default_branch }
diff --git a/spec/lib/gitlab/ci/templates/Jobs/code_quality_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Jobs/code_quality_gitlab_ci_yaml_spec.rb
index 64243f2d2058b4e01f2476b28fb9e3949f31fd1f..d88d97820218284f61e5ecc7eed5f459efa4f141 100644
--- a/spec/lib/gitlab/ci/templates/Jobs/code_quality_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Jobs/code_quality_gitlab_ci_yaml_spec.rb
@@ -7,7 +7,7 @@
 
   describe 'the created pipeline' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:user) { project.owner }
+    let_it_be(:user) { project.first_owner }
 
     let(:default_branch) { 'master' }
     let(:pipeline_ref) { default_branch }
diff --git a/spec/lib/gitlab/ci/templates/Jobs/deploy_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Jobs/deploy_gitlab_ci_yaml_spec.rb
index 789f694b4b4c85ba456083e39f297e119d96ee0f..bcc99b7880543b5940750ed1c15ec2f2e800f9bc 100644
--- a/spec/lib/gitlab/ci/templates/Jobs/deploy_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Jobs/deploy_gitlab_ci_yaml_spec.rb
@@ -29,7 +29,7 @@
   describe 'the created pipeline' do
     let_it_be(:project, refind: true) { create(:project, :repository) }
 
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:default_branch) { 'master' }
     let(:pipeline_ref) { default_branch }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_ref) }
diff --git a/spec/lib/gitlab/ci/templates/Jobs/sast_iac_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Jobs/sast_iac_gitlab_ci_yaml_spec.rb
index b9256ece78bf6627676890d5e5f6764b185ff228..0f97bc06a4e3835ba0a64ac94e5d44a00c9686f5 100644
--- a/spec/lib/gitlab/ci/templates/Jobs/sast_iac_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Jobs/sast_iac_gitlab_ci_yaml_spec.rb
@@ -7,7 +7,7 @@
 
   describe 'the created pipeline' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:user) { project.owner }
+    let_it_be(:user) { project.first_owner }
 
     let(:default_branch) { 'main' }
     let(:pipeline_ref) { default_branch }
diff --git a/spec/lib/gitlab/ci/templates/Jobs/test_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Jobs/test_gitlab_ci_yaml_spec.rb
index db9d749625173d396ca771045f10ffbe779a9c28..a92a8397e96b7a8c2a8872a3a84c1d1803a0ff47 100644
--- a/spec/lib/gitlab/ci/templates/Jobs/test_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Jobs/test_gitlab_ci_yaml_spec.rb
@@ -7,7 +7,7 @@
 
   describe 'the created pipeline' do
     let_it_be(:project) { create(:project, :repository) }
-    let_it_be(:user) { project.owner }
+    let_it_be(:user) { project.first_owner }
 
     let(:default_branch) { 'master' }
     let(:pipeline_ref) { default_branch }
diff --git a/spec/lib/gitlab/ci/templates/Terraform/base_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Terraform/base_gitlab_ci_yaml_spec.rb
index 4685d843ce01a04d60efd7d74cd4a5e9f181b095..5e9224cebd9c57b108be840c799a8809ebb80044 100644
--- a/spec/lib/gitlab/ci/templates/Terraform/base_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Terraform/base_gitlab_ci_yaml_spec.rb
@@ -9,7 +9,7 @@
     let(:default_branch) { 'master' }
     let(:pipeline_branch) { default_branch }
     let(:project) { create(:project, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/Terraform/base_latest_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Terraform/base_latest_gitlab_ci_yaml_spec.rb
index e35f2eabe8eb6b205ba5d7ce6585b5c9460a81f7..0ab81f97f20e02c20a183055e9320101ffe2f19c 100644
--- a/spec/lib/gitlab/ci/templates/Terraform/base_latest_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Terraform/base_latest_gitlab_ci_yaml_spec.rb
@@ -9,7 +9,7 @@
     let(:default_branch) { 'master' }
     let(:pipeline_branch) { default_branch }
     let(:project) { create(:project, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/Verify/load_performance_testing_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/Verify/load_performance_testing_gitlab_ci_yaml_spec.rb
index 004261bc61763c30719234d93a67bf0184551b16..d6c7cd32f7971828094668504cd1a2f980b985b2 100644
--- a/spec/lib/gitlab/ci/templates/Verify/load_performance_testing_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/Verify/load_performance_testing_gitlab_ci_yaml_spec.rb
@@ -20,7 +20,7 @@
 
   describe 'the created pipeline' do
     let(:project) { create(:project, :repository) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
 
     let(:default_branch) { 'master' }
     let(:pipeline_ref) { default_branch }
diff --git a/spec/lib/gitlab/ci/templates/auto_devops_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/auto_devops_gitlab_ci_yaml_spec.rb
index 64ef6ecd7f86de982e21899460a766b52cb2fbc2..6a4be1fa072cc3e4709a0e16ed4c3d60c15abd3a 100644
--- a/spec/lib/gitlab/ci/templates/auto_devops_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/auto_devops_gitlab_ci_yaml_spec.rb
@@ -15,7 +15,7 @@
     describe 'the created pipeline' do
       let(:pipeline_branch) { default_branch }
       let(:project) { create(:project, :auto_devops, :custom_repo, files: { 'README.md' => '' }) }
-      let(:user) { project.owner }
+      let(:user) { project.first_owner }
       let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
       let(:pipeline) { service.execute!(:push).payload }
       let(:build_names) { pipeline.builds.pluck(:name) }
@@ -276,7 +276,7 @@
 
       with_them do
         let(:project) { create(:project, :custom_repo, files: files) }
-        let(:user) { project.owner }
+        let(:user) { project.first_owner }
         let(:service) { Ci::CreatePipelineService.new(project, user, ref: default_branch ) }
         let(:pipeline) { service.execute(:push).payload }
         let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/flutter_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/flutter_gitlab_ci_yaml_spec.rb
index 3d97b47473d6525979d88596d01da9bfa17fcfae..de94eec09fed533269ec7836a8aeb9fd5cf27e57 100644
--- a/spec/lib/gitlab/ci/templates/flutter_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/flutter_gitlab_ci_yaml_spec.rb
@@ -8,7 +8,7 @@
   describe 'the created pipeline' do
     let(:pipeline_branch) { 'master' }
     let(:project) { create(:project, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/kaniko_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/kaniko_gitlab_ci_yaml_spec.rb
index c7dbbea4622c8ee5f7d949d21e7de376e1cbf4f9..ebf52e6d65a52a736910e7c4790c77e06756c2af 100644
--- a/spec/lib/gitlab/ci/templates/kaniko_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/kaniko_gitlab_ci_yaml_spec.rb
@@ -8,7 +8,7 @@
   describe 'the created pipeline' do
     let(:pipeline_branch) { 'master' }
     let(:project) { create(:project, :custom_repo, files: { 'Dockerfile' => 'FROM alpine:latest' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/npm_spec.rb b/spec/lib/gitlab/ci/templates/npm_spec.rb
index ea954690133ed0a519d1941dd87c9fd0d55003c0..d86a3a67823e8f89d0229308f6a5249c2bd32a61 100644
--- a/spec/lib/gitlab/ci/templates/npm_spec.rb
+++ b/spec/lib/gitlab/ci/templates/npm_spec.rb
@@ -9,7 +9,7 @@
     let(:repo_files) { { 'package.json' => '{}', 'README.md' => '' } }
     let(:modified_files) { %w[package.json] }
     let(:project) { create(:project, :custom_repo, files: repo_files) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:pipeline_branch) { project.default_branch }
     let(:pipeline_tag) { 'v1.2.1' }
     let(:pipeline_ref) { pipeline_branch }
diff --git a/spec/lib/gitlab/ci/templates/terraform_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/terraform_gitlab_ci_yaml_spec.rb
index 936cd6ac8aaffe7cf9591ef5619293d4fa392c91..346ab9f7af7ae54270b67c001df99d215345db72 100644
--- a/spec/lib/gitlab/ci/templates/terraform_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/terraform_gitlab_ci_yaml_spec.rb
@@ -13,7 +13,7 @@
     let(:default_branch) { project.default_branch_or_main }
     let(:pipeline_branch) { default_branch }
     let(:project) { create(:project, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/templates/terraform_latest_gitlab_ci_yaml_spec.rb b/spec/lib/gitlab/ci/templates/terraform_latest_gitlab_ci_yaml_spec.rb
index fd5d5d6af7fb369c16ae83d94b9bdc890f0a11de..6c06403adffd43d54c587a9792a6a9075d16cb16 100644
--- a/spec/lib/gitlab/ci/templates/terraform_latest_gitlab_ci_yaml_spec.rb
+++ b/spec/lib/gitlab/ci/templates/terraform_latest_gitlab_ci_yaml_spec.rb
@@ -13,7 +13,7 @@
     let(:default_branch) { project.default_branch_or_main }
     let(:pipeline_branch) { default_branch }
     let(:project) { create(:project, :custom_repo, files: { 'README.md' => '' }) }
-    let(:user) { project.owner }
+    let(:user) { project.first_owner }
     let(:service) { Ci::CreatePipelineService.new(project, user, ref: pipeline_branch ) }
     let(:pipeline) { service.execute!(:push).payload }
     let(:build_names) { pipeline.builds.pluck(:name) }
diff --git a/spec/lib/gitlab/ci/variables/builder_spec.rb b/spec/lib/gitlab/ci/variables/builder_spec.rb
index 8a87cbe45c11241b62cccd5d11b6d1bdc7d5f29c..3ad147585dd4f1ab246fbe747e57c145ab40ee74 100644
--- a/spec/lib/gitlab/ci/variables/builder_spec.rb
+++ b/spec/lib/gitlab/ci/variables/builder_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Gitlab::Ci::Variables::Builder do
   let_it_be(:project) { create(:project, :repository) }
   let_it_be(:pipeline) { create(:ci_pipeline, project: project) }
-  let_it_be(:user) { project.owner }
+  let_it_be(:user) { project.first_owner }
   let_it_be(:job) do
     create(:ci_build,
       pipeline: pipeline,
diff --git a/spec/lib/gitlab/diff/file_spec.rb b/spec/lib/gitlab/diff/file_spec.rb
index 45a49a36fe2239ff312409f3695ce72164fce944..7c1a8f4c3c8b4715a4d1423355ba83a62af1fe5b 100644
--- a/spec/lib/gitlab/diff/file_spec.rb
+++ b/spec/lib/gitlab/diff/file_spec.rb
@@ -13,7 +13,7 @@
   def create_file(file_name, content)
     Files::CreateService.new(
       project,
-      project.owner,
+      project.first_owner,
       commit_message: 'Update',
       start_branch: branch_name,
       branch_name: branch_name,
@@ -27,7 +27,7 @@ def create_file(file_name, content)
   def update_file(file_name, content)
     Files::UpdateService.new(
       project,
-      project.owner,
+      project.first_owner,
       commit_message: 'Update',
       start_branch: branch_name,
       branch_name: branch_name,
@@ -41,7 +41,7 @@ def update_file(file_name, content)
   def delete_file(file_name)
     Files::DeleteService.new(
       project,
-      project.owner,
+      project.first_owner,
       commit_message: 'Update',
       start_branch: branch_name,
       branch_name: branch_name,
diff --git a/spec/lib/gitlab/diff/position_tracer/image_strategy_spec.rb b/spec/lib/gitlab/diff/position_tracer/image_strategy_spec.rb
index 7dceb64b7766bda5b2df005ed650a65d3ccac287..1414056ad6a70ac0b0b31de50956220ba16e0dfe 100644
--- a/spec/lib/gitlab/diff/position_tracer/image_strategy_spec.rb
+++ b/spec/lib/gitlab/diff/position_tracer/image_strategy_spec.rb
@@ -6,7 +6,7 @@
   include PositionTracerHelpers
 
   let(:project) { create(:project, :repository) }
-  let(:current_user) { project.owner }
+  let(:current_user) { project.first_owner }
   let(:file_name) { 'test-file' }
   let(:new_file_name) { "#{file_name}-new" }
   let(:second_file_name) { "#{file_name}-2" }
diff --git a/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb b/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
index c46f476899ec2da21085acf4b1f4e50f18e5ab15..ea56a87dec275085e48d08f09b5e00df75fdbc85 100644
--- a/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
+++ b/spec/lib/gitlab/diff/position_tracer/line_strategy_spec.rb
@@ -55,7 +55,7 @@
   include PositionTracerHelpers
 
   let(:project) { create(:project, :repository) }
-  let(:current_user) { project.owner }
+  let(:current_user) { project.first_owner }
   let(:repository) { project.repository }
   let(:file_name) { "test-file" }
   let(:new_file_name) { "#{file_name}-new" }
diff --git a/spec/lib/gitlab/diff/position_tracer_spec.rb b/spec/lib/gitlab/diff/position_tracer_spec.rb
index fc649812b0ab3cb273e6499a55dcd8344afa6196..9b0ea892f916a19100a79179cb7f9f74fbc787e0 100644
--- a/spec/lib/gitlab/diff/position_tracer_spec.rb
+++ b/spec/lib/gitlab/diff/position_tracer_spec.rb
@@ -52,7 +52,7 @@
 
   describe 'diffs methods' do
     let(:project) { create(:project, :repository) }
-    let(:current_user) { project.owner }
+    let(:current_user) { project.first_owner }
 
     let(:old_diff_refs) do
       diff_refs(
diff --git a/spec/lib/gitlab/git/wiki_spec.rb b/spec/lib/gitlab/git/wiki_spec.rb
index eb7deb08063cf7a94c7f4cf6cb9bc79260cdb71b..ee0c0e2708e81f97c4b7fb16fba57a9847ef191a 100644
--- a/spec/lib/gitlab/git/wiki_spec.rb
+++ b/spec/lib/gitlab/git/wiki_spec.rb
@@ -6,7 +6,7 @@
   using RSpec::Parameterized::TableSyntax
 
   let(:project) { create(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:project_wiki) { ProjectWiki.new(project, user) }
 
   subject(:wiki) { project_wiki.wiki }
diff --git a/spec/lib/gitlab/git_access_design_spec.rb b/spec/lib/gitlab/git_access_design_spec.rb
index 9fd1f2dcb0c610e94d86dd2cbd069d97814bce52..c90d9802300b52b93afcfbe7fd1846f80f7c10b4 100644
--- a/spec/lib/gitlab/git_access_design_spec.rb
+++ b/spec/lib/gitlab/git_access_design_spec.rb
@@ -5,7 +5,7 @@
   include DesignManagementTestHelpers
 
   let_it_be(:project) { create(:project) }
-  let_it_be(:user) { project.owner }
+  let_it_be(:user) { project.first_owner }
 
   let(:protocol) { 'web' }
   let(:actor) { user }
diff --git a/spec/lib/gitlab/gl_repository/identifier_spec.rb b/spec/lib/gitlab/gl_repository/identifier_spec.rb
index e0622e30e7ad8fe4a23687a548e963be3a9cea04..0a8559dd800ecf2985fec6a3bfef8bb1839ae99a 100644
--- a/spec/lib/gitlab/gl_repository/identifier_spec.rb
+++ b/spec/lib/gitlab/gl_repository/identifier_spec.rb
@@ -4,8 +4,8 @@
 
 RSpec.describe Gitlab::GlRepository::Identifier do
   let_it_be(:project) { create(:project) }
-  let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
-  let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
+  let_it_be(:personal_snippet) { create(:personal_snippet, author: project.first_owner) }
+  let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.first_owner) }
 
   describe 'project repository' do
     it_behaves_like 'parsing gl_repository identifier' do
diff --git a/spec/lib/gitlab/gl_repository/repo_type_spec.rb b/spec/lib/gitlab/gl_repository/repo_type_spec.rb
index 71a4c693f9d701d8147f36a00b1354993c28109a..0ec94563cbbdbb24b43bd7d2f4f1d57fc379ae68 100644
--- a/spec/lib/gitlab/gl_repository/repo_type_spec.rb
+++ b/spec/lib/gitlab/gl_repository/repo_type_spec.rb
@@ -3,8 +3,8 @@
 
 RSpec.describe Gitlab::GlRepository::RepoType do
   let_it_be(:project) { create(:project) }
-  let_it_be(:personal_snippet) { create(:personal_snippet, author: project.owner) }
-  let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.owner) }
+  let_it_be(:personal_snippet) { create(:personal_snippet, author: project.first_owner) }
+  let_it_be(:project_snippet) { create(:project_snippet, project: project, author: project.first_owner) }
 
   let(:project_path) { project.repository.full_path }
   let(:wiki_path) { project.wiki.repository.full_path }
diff --git a/spec/lib/gitlab/graphql/markdown_field_spec.rb b/spec/lib/gitlab/graphql/markdown_field_spec.rb
index a3fb0bbbed833078d949c051fc6f17e0b2825e36..c2253811e916380495cc3b9e3af433f6c6d65424 100644
--- a/spec/lib/gitlab/graphql/markdown_field_spec.rb
+++ b/spec/lib/gitlab/graphql/markdown_field_spec.rb
@@ -73,7 +73,7 @@
           end
 
           it 'shows the reference to users that are allowed to see it' do
-            context = GraphQL::Query::Context.new(query: query, values: { current_user: project.owner }, object: nil)
+            context = GraphQL::Query::Context.new(query: query, values: { current_user: project.first_owner }, object: nil)
             type_instance = type_class.authorized_new(note, context)
 
             expect(field.to_graphql.resolve(type_instance, {}, context)).to include(issue_path(issue))
diff --git a/spec/lib/gitlab/project_authorizations_spec.rb b/spec/lib/gitlab/project_authorizations_spec.rb
index 1606693419487b65c844acac7306af2f02706495..517a2e3e3357ecdb1beaabe39205b162ee9dc199 100644
--- a/spec/lib/gitlab/project_authorizations_spec.rb
+++ b/spec/lib/gitlab/project_authorizations_spec.rb
@@ -334,7 +334,7 @@ def map_access_levels(rows)
       let(:common_id) { non_existing_record_id }
       let!(:group) { create(:group, id: common_id) }
       let!(:unrelated_project) { create(:project, id: common_id) }
-      let(:user) { unrelated_project.owner }
+      let(:user) { unrelated_project.first_owner }
 
       it 'does not have access to group and its projects' do
         mapping = map_access_levels(authorizations)
diff --git a/spec/lib/sidebars/projects/menus/analytics_menu_spec.rb b/spec/lib/sidebars/projects/menus/analytics_menu_spec.rb
index 6f2ca719bc92ef92793747c14a68bb0981fe2119..25a65015847b9b6aab7dce82e3636c8975aaa2bb 100644
--- a/spec/lib/sidebars/projects/menus/analytics_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/analytics_menu_spec.rb
@@ -8,7 +8,7 @@
     create(:user).tap { |u| project.add_guest(u) }
   end
 
-  let(:owner) { project.owner }
+  let(:owner) { project.first_owner }
   let(:current_user) { owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: current_user, container: project, current_ref: project.repository.root_ref) }
 
diff --git a/spec/lib/sidebars/projects/menus/ci_cd_menu_spec.rb b/spec/lib/sidebars/projects/menus/ci_cd_menu_spec.rb
index dee2716e4c21f31e1c08dc25a3f81215f6137e92..2ceb9dcada981826c5f41848510c3fae6078ac0a 100644
--- a/spec/lib/sidebars/projects/menus/ci_cd_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/ci_cd_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::CiCdMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:can_view_pipeline_editor) { true }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, current_ref: 'master', can_view_pipeline_editor: can_view_pipeline_editor) }
 
diff --git a/spec/lib/sidebars/projects/menus/confluence_menu_spec.rb b/spec/lib/sidebars/projects/menus/confluence_menu_spec.rb
index e3ae3add4fd398483b69072570cd50a91c1cfb9c..836c6d26c6cdab6f3a3f32096545e04d7b5cdf3f 100644
--- a/spec/lib/sidebars/projects/menus/confluence_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/confluence_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::ConfluenceMenu do
   let_it_be_with_refind(:project) { create(:project, has_external_wiki: true) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/deployments_menu_spec.rb b/spec/lib/sidebars/projects/menus/deployments_menu_spec.rb
index 3149c316c6302de69b30d6bd5082e3afe252e323..56eb082e101058399818ff3113604627dc091410 100644
--- a/spec/lib/sidebars/projects/menus/deployments_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/deployments_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::DeploymentsMenu do
   let_it_be(:project) { create(:project, :repository) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   describe '#render?' do
diff --git a/spec/lib/sidebars/projects/menus/external_issue_tracker_menu_spec.rb b/spec/lib/sidebars/projects/menus/external_issue_tracker_menu_spec.rb
index 0585eb2254cc6fad74d657b47a0100059ebc6cff..2033d40897ea0b9f866b08e1ddc32826fdad23eb 100644
--- a/spec/lib/sidebars/projects/menus/external_issue_tracker_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/external_issue_tracker_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::ExternalIssueTrackerMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:jira_issues_integration_active) { false }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, jira_issues_integration: jira_issues_integration_active) }
 
diff --git a/spec/lib/sidebars/projects/menus/external_wiki_menu_spec.rb b/spec/lib/sidebars/projects/menus/external_wiki_menu_spec.rb
index a8f4b039b8c2888a714351aa4529abcd6fd94dca..9cf2d19f85c2471f98901a6680b34e11811c9b50 100644
--- a/spec/lib/sidebars/projects/menus/external_wiki_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/external_wiki_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::ExternalWikiMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/hidden_menu_spec.rb b/spec/lib/sidebars/projects/menus/hidden_menu_spec.rb
index 44013898721bd78d5371cf2ac99052d6f61bea75..e64b0de9c6287036dd9347fd1d00d7751acf07d9 100644
--- a/spec/lib/sidebars/projects/menus/hidden_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/hidden_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::HiddenMenu do
   let_it_be(:project) { create(:project, :repository) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, current_ref: project.repository.root_ref) }
 
   describe '#render?' do
diff --git a/spec/lib/sidebars/projects/menus/infrastructure_menu_spec.rb b/spec/lib/sidebars/projects/menus/infrastructure_menu_spec.rb
index 55281171634c765b66ea1195cb80bfbde7bfbfa7..0e415ec6014e6ee518eed3374b8744b96453d52b 100644
--- a/spec/lib/sidebars/projects/menus/infrastructure_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/infrastructure_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::InfrastructureMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, show_cluster_hint: false) }
 
   describe '#render?' do
diff --git a/spec/lib/sidebars/projects/menus/invite_team_members_menu_spec.rb b/spec/lib/sidebars/projects/menus/invite_team_members_menu_spec.rb
index df9b260d21156353f55fd387839af2a2019af4d2..9838aa8c3e3a00078f54790157968b84a27a260c 100644
--- a/spec/lib/sidebars/projects/menus/invite_team_members_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/invite_team_members_menu_spec.rb
@@ -11,7 +11,7 @@
   subject(:invite_menu) { described_class.new(context) }
 
   context 'when the project is viewed by an owner of the group' do
-    let(:owner) { project.owner }
+    let(:owner) { project.first_owner }
 
     describe '#render?' do
       it 'renders the Invite team members link' do
diff --git a/spec/lib/sidebars/projects/menus/issues_menu_spec.rb b/spec/lib/sidebars/projects/menus/issues_menu_spec.rb
index e5d486bbe8f63d85db18616ed71ad6b1d405fd58..4c0016a77a1a85416ed5f244cd01fddaefd3146a 100644
--- a/spec/lib/sidebars/projects/menus/issues_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/issues_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::IssuesMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/merge_requests_menu_spec.rb b/spec/lib/sidebars/projects/menus/merge_requests_menu_spec.rb
index cef303fb068d387b254d79e07a053de0c24aa534..45c49500e46f45d7d5b6bd43efa3f538763c4c92 100644
--- a/spec/lib/sidebars/projects/menus/merge_requests_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/merge_requests_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::MergeRequestsMenu do
   let_it_be(:project) { create(:project, :repository) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/monitor_menu_spec.rb b/spec/lib/sidebars/projects/menus/monitor_menu_spec.rb
index 77efe99aaa93d60a4989fecfcf0f685effb1a206..e8c6fb790c399426a8bc6defe68e94115b223fdf 100644
--- a/spec/lib/sidebars/projects/menus/monitor_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/monitor_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::MonitorMenu do
   let_it_be_with_refind(:project) { create(:project) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:show_cluster_hint) { true }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, show_cluster_hint: show_cluster_hint) }
 
diff --git a/spec/lib/sidebars/projects/menus/packages_registries_menu_spec.rb b/spec/lib/sidebars/projects/menus/packages_registries_menu_spec.rb
index d6807451a2562b2cb8922125a900a7103c228af1..afe0b2a89511e5750eb0ff92e09eb9d099df9deb 100644
--- a/spec/lib/sidebars/projects/menus/packages_registries_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/packages_registries_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::PackagesRegistriesMenu do
   let_it_be(:project) { create(:project) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/project_information_menu_spec.rb b/spec/lib/sidebars/projects/menus/project_information_menu_spec.rb
index 7e8d0ab05188bbfe53bc014d22b3c9406ac5fe14..7ff06ac229e153e67d7cdae093b1c0632b92c45c 100644
--- a/spec/lib/sidebars/projects/menus/project_information_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/project_information_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::ProjectInformationMenu do
   let_it_be_with_reload(:project) { create(:project, :repository) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   describe '#container_html_options' do
diff --git a/spec/lib/sidebars/projects/menus/repository_menu_spec.rb b/spec/lib/sidebars/projects/menus/repository_menu_spec.rb
index 554a4e3f532dccfeb7f4cfba5e8c35c0381f4219..fc181947e607cac70d634c1d2541915cad93dc80 100644
--- a/spec/lib/sidebars/projects/menus/repository_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/repository_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::RepositoryMenu do
   let_it_be(:project) { create(:project, :repository) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, current_ref: 'master') }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/scope_menu_spec.rb b/spec/lib/sidebars/projects/menus/scope_menu_spec.rb
index 980ab2f7c7112a90ef2a4d8d6602433844a1b890..4e87f3b8eada436973da1d9765d4b3c4fef3c559 100644
--- a/spec/lib/sidebars/projects/menus/scope_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/scope_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::ScopeMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   describe '#container_html_options' do
diff --git a/spec/lib/sidebars/projects/menus/security_compliance_menu_spec.rb b/spec/lib/sidebars/projects/menus/security_compliance_menu_spec.rb
index 6e84beeb274c2ebb90fc386ed6ef34501ca89041..41158bd58dc64350788dc286f4addcab17e570c2 100644
--- a/spec/lib/sidebars/projects/menus/security_compliance_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/security_compliance_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::SecurityComplianceMenu do
   let_it_be(:project) { create(:project) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:show_promotions) { true }
   let(:show_discover_project_security) { true }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project, show_promotions: show_promotions, show_discover_project_security: show_discover_project_security) }
diff --git a/spec/lib/sidebars/projects/menus/settings_menu_spec.rb b/spec/lib/sidebars/projects/menus/settings_menu_spec.rb
index 1e5d41dfec4f544fe99dec2eb5e82180275747b3..d6136dddf4055efa90441abecec4856a677965e3 100644
--- a/spec/lib/sidebars/projects/menus/settings_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/settings_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::SettingsMenu do
   let_it_be(:project) { create(:project) }
 
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/shimo_menu_spec.rb b/spec/lib/sidebars/projects/menus/shimo_menu_spec.rb
index 534267a329e3d53b58c1194910e990a30465ccad..e74647894faeab9c41345bd6c5e0f1f991cf9f8a 100644
--- a/spec/lib/sidebars/projects/menus/shimo_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/shimo_menu_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Sidebars::Projects::Menus::ShimoMenu do
   let_it_be_with_reload(:project) { create(:project) }
 
-  let(:context) { Sidebars::Projects::Context.new(current_user: project.owner, container: project) }
+  let(:context) { Sidebars::Projects::Context.new(current_user: project.first_owner, container: project) }
 
   subject(:shimo_menu) { described_class.new(context) }
 
diff --git a/spec/lib/sidebars/projects/menus/snippets_menu_spec.rb b/spec/lib/sidebars/projects/menus/snippets_menu_spec.rb
index af219e4a7424e302e0f645165aad8a641872cf78..04b8c128e3d68544a0a7a04992a8ecef8ca5dcf7 100644
--- a/spec/lib/sidebars/projects/menus/snippets_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/snippets_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::SnippetsMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }
diff --git a/spec/lib/sidebars/projects/menus/wiki_menu_spec.rb b/spec/lib/sidebars/projects/menus/wiki_menu_spec.rb
index 41447ee24a97b6c06bebd1d9261f13219d239222..362da3e7b50fd3c561e0e28548b6435baeb099bf 100644
--- a/spec/lib/sidebars/projects/menus/wiki_menu_spec.rb
+++ b/spec/lib/sidebars/projects/menus/wiki_menu_spec.rb
@@ -4,7 +4,7 @@
 
 RSpec.describe Sidebars::Projects::Menus::WikiMenu do
   let(:project) { build(:project) }
-  let(:user) { project.owner }
+  let(:user) { project.first_owner }
   let(:context) { Sidebars::Projects::Context.new(current_user: user, container: project) }
 
   subject { described_class.new(context) }