diff --git a/.rubocop.yml b/.rubocop.yml
index 7c12e42..8aa86be 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,7 +1,7 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.7.6
+  TargetRubyVersion: 3.1.6'
   # Exclude:
 
 Bundler/OrderedGems:
diff --git a/.ruby-version b/.ruby-version
index 6a81b4c..9c25013 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.8
+3.3.6
diff --git a/README.md b/README.md
index e8ca96e..d357727 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ to install the modules listed in `Terrafile` into `vendor/terraform_modules`.
 ## Dependencies
 
 - git
-- Ruby (>= 2.7.6)
+- Ruby (>= 3.1.6)
 
 ## Development
 
diff --git a/features/step_definitions/terrafile_steps.rb b/features/step_definitions/terrafile_steps.rb
index 086dd7c..b974f52 100644
--- a/features/step_definitions/terrafile_steps.rb
+++ b/features/step_definitions/terrafile_steps.rb
@@ -12,7 +12,7 @@
 end
 
 When('I run the _terrafile_ command') do
-  run_simple('terrafile', fail_on_error: false)
+  run_command_and_stop('terrafile', fail_on_error: false)
 end
 
 Then('I should see that a _modules_ directory will be created') do
diff --git a/terrafile.gemspec b/terrafile.gemspec
index 8e1b624..fc4b54b 100644
--- a/terrafile.gemspec
+++ b/terrafile.gemspec
@@ -7,7 +7,7 @@ Gem::Specification.new do |spec|
   spec.name                  = 'terrafile'
   spec.version               = Terrafile::VERSION
   spec.platform              = Gem::Platform::RUBY
-  spec.required_ruby_version = '>= 2.7.6'
+  spec.required_ruby_version = '>= 3.1.6'
   spec.authors               = ['dxw']
   spec.email                 = ['systems@dxw.com']
   spec.summary               = 'Installs the modules listed in Terrafile'
@@ -28,11 +28,11 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.executables   = ['terrafile']
 
-  spec.add_development_dependency 'aruba',      '~> 0.14'
+  spec.add_development_dependency 'aruba',      '~> 2.2'
   spec.add_development_dependency 'bundler',    '>= 2.1.0'
   spec.add_development_dependency 'pry-byebug', '~> 3.6'
   spec.add_development_dependency 'rake',       '~> 13.0'
   spec.add_development_dependency 'rspec',      '~> 3.8'
-  spec.add_development_dependency 'rubocop',    '~> 0.58'
-  spec.add_development_dependency 'simplecov',  '~> 0.16'
+  spec.add_development_dependency 'rubocop',    '~> 1.68'
+  spec.add_development_dependency 'simplecov',  '~> 0.1'
 end