diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9fdccd4..c3c79ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ concurrency:
 jobs:
   rubocop:
     name: Rubocop
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-latest'
     steps:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
@@ -30,7 +30,7 @@ jobs:
 
   test:
     name: 'Ruby: ${{ matrix.ruby }}, Rails: ${{ matrix.env.RAILS_VERSION }}'
-    runs-on: ubuntu-20.04
+    runs-on: 'ubuntu-latest'
     strategy:
       fail-fast: false
       matrix:
@@ -213,7 +213,7 @@ jobs:
 
   legacy:
     name: Legacy Ruby Builds (${{ matrix.container.version }})
-    runs-on: ubuntu-20.04
+    runs-on: 'ubuntu-latest'
     container:
       image: ${{ matrix.container.tag }}
       options: ${{ matrix.container.options || '--add-host github-complains-if-this-is-empty.com:127.0.0.1' }}
@@ -225,7 +225,6 @@ jobs:
           - container:
               version: "2.1.9"
               tag: ghcr.io/rspec/docker-ci:2.1.9
-              post: git config --global --add safe.directory `pwd`
             env:
               RAILS_VERSION: '~> 4.2.0'
           - container:
@@ -240,14 +239,16 @@ jobs:
               RAILS_VERSION: '~> 4.2.0'
 
     env:
-      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
       LEGACY_CI: true
       JRUBY_OPTS: ${{ matrix.container.jruby_opts || '--dev' }}
       RAILS_VERSION: ${{ matrix.env.RAILS_VERSION }}
     steps:
-      - uses: actions/checkout@v3
+      - run: git config --global --add safe.directory $GITHUB_WORKSPACE
+      - run: git init $GITHUB_WORKSPACE
+      - run: git remote add origin https://github.com/rspec/rspec-activemodel-mocks
+      - run: git config --local gc.auto 0
+      - run: git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin +$GITHUB_SHA:$GITHUB_REF
+      - run: git checkout --progress --force $GITHUB_REF
       - run: apt-get install libsqlite3-dev
-      - run: ${{ matrix.container.pre }}
       - run: script/legacy_setup.sh
-      - run: ${{ matrix.container.post }}
       - run: script/run_build
diff --git a/Gemfile b/Gemfile
index 6e9fda7..9a68e2d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,6 +37,10 @@ end
 version = ENV.fetch('RAILS_VERSION', '6.0.0')
 version_float = version.tr('-', '.').tr('~> ', '').to_f
 
+if version_float < 7.1
+  gem 'concurrent-ruby', '<= 1.3.4'
+end
+
 if version_float < 4
   gem 'sqlite3', '~> 1.3.5'
 elsif version_float < 6
diff --git a/lib/rspec/active_model/mocks/mocks.rb b/lib/rspec/active_model/mocks/mocks.rb
index fa70939..8cfe696 100644
--- a/lib/rspec/active_model/mocks/mocks.rb
+++ b/lib/rspec/active_model/mocks/mocks.rb
@@ -176,8 +176,11 @@ def self.param_delimiter; "-"; end
         end unless stubs.key?(:has_attribute?)
 
         msingleton.__send__(:define_method, :respond_to?) do |method_name, *args|
+          return true if __model_class_has_column?(method_name)
+
           include_private = args.first || false
-          __model_class_has_column?(method_name) ? true : super(method_name, include_private)
+
+          super(method_name, include_private)
         end unless stubs.key?(:respond_to?)
 
         msingleton.__send__(:define_method, :method_missing) do |missing_m, *a, &b|
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 2a571e1..bfdcf02 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+require 'logger'
 require 'rspec/active_model/mocks'
 require 'active_record'
 
diff --git a/templates/sample/spec/spec_helper.rb b/templates/sample/spec/spec_helper.rb
index 830ae01..e143bcc 100644
--- a/templates/sample/spec/spec_helper.rb
+++ b/templates/sample/spec/spec_helper.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 $:<< File.join(File.dirname(__FILE__), '..')
+require 'logger'
 require 'active_record'
 require 'rspec/active_model/mocks'
 require 'model/widget'