diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 576a75fe..42f3e975 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,11 +18,8 @@ jobs:
       fail-fast: false
       matrix:
         ruby_version:
-          - "2.7"
           - "3.2"
         include:
-          - ruby-version: '2.7'
-            puppet_gem_version: '~> 7.0'
           - ruby_version: '3.2'
             puppet_gem_version: '~> 8.0'
         runs_on:
@@ -42,11 +39,8 @@ jobs:
     strategy:
       matrix:
         ruby_version:
-          - "2.7"
           - "3.2"
         include:
-          - ruby-version: '2.7'
-            puppet_gem_version: '~> 7.0'
           - ruby_version: '3.2'
             puppet_gem_version: 'https://github.com/puppetlabs/puppet' # puppet8'
         runs_on:
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index f8aae476..304e9722 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -11,11 +11,8 @@ jobs:
       fail-fast: false
       matrix:
         ruby_version:
-          - "2.7"
           - "3.2"
         include:
-          - ruby-version: '2.7'
-            puppet_gem_version: '~> 7.0'
           - ruby_version: '3.2'
             puppet_gem_version: '~> 8.0'
         runs_on:
@@ -34,11 +31,8 @@ jobs:
     strategy:
       matrix:
         ruby_version:
-          - "2.7"
           - "3.2"
         include:
-          - ruby-version: '2.7'
-            puppet_gem_version: '~> 7.0'
           - ruby_version: '3.2'
             puppet_gem_version: 'https://github.com/puppetlabs/puppet' # puppet8'
         runs_on:
diff --git a/.rubocop.yml b/.rubocop.yml
index 3e374020..08f3b6f3 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -12,7 +12,7 @@ AllCops:
     - vendor/bundle/**/*
   NewCops: enable
   SuggestExtensions: false
-  TargetRubyVersion: '2.7'
+  TargetRubyVersion: '3.1'
 
 # Disabled
 Style/ClassAndModuleChildren:
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index d927f4ef..d3ec3074 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2024-01-22 15:21:03 UTC using RuboCop version 1.50.2.
+# on 2025-04-09 10:54:46 UTC using RuboCop version 1.70.0.
 # 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/RequireMFA:
   Exclude:
     - 'puppet-strings.gemspec'
 
-# Offense count: 45
+# Offense count: 44
 # Configuration parameters: AllowedMethods, AllowedPatterns, CountRepeatedAttributes.
 Metrics/AbcSize:
   Max: 95
@@ -25,17 +25,12 @@ Metrics/AbcSize:
 Metrics/BlockLength:
   Max: 44
 
-# Offense count: 1
-# Configuration parameters: CountBlocks.
-Metrics/BlockNesting:
-  Max: 4
-
 # Offense count: 5
 # Configuration parameters: CountComments, CountAsOne.
 Metrics/ClassLength:
   Max: 283
 
-# Offense count: 34
+# Offense count: 33
 # Configuration parameters: AllowedMethods, AllowedPatterns.
 Metrics/CyclomaticComplexity:
   Max: 36
@@ -68,6 +63,7 @@ Naming/AccessorMethodName:
 # AllowedAcronyms: CLI, DSL, ACL, API, ASCII, CPU, CSS, DNS, EOF, GUID, HTML, HTTP, HTTPS, ID, IP, JSON, LHS, QPS, RAM, RHS, RPC, SLA, SMTP, SQL, SSH, TCP, TLS, TTL, UDP, UI, UID, UUID, URI, URL, UTF8, VM, XML, XMPP, XSRF, XSS
 Naming/FileName:
   Exclude:
+    - 'Rakefile.rb'
     - 'lib/puppet-strings.rb'
 
 # Offense count: 1
@@ -85,12 +81,14 @@ Naming/MethodParameterName:
     - 'lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb'
     - 'lib/puppet-strings/yard/parsers/puppet/parser.rb'
 
-# Offense count: 2
+# Offense count: 4
 # Configuration parameters: MinSize.
 Performance/CollectionLiteralInLoop:
   Exclude:
+    - 'lib/puppet-strings/yard/handlers/puppet/base.rb'
     - 'lib/puppet-strings/yard/handlers/ruby/provider_handler.rb'
     - 'lib/puppet-strings/yard/handlers/ruby/rsapi_handler.rb'
+    - 'lib/puppet-strings/yard/util.rb'
 
 # Offense count: 1
 RSpec/BeforeAfterAll:
@@ -123,7 +121,7 @@ RSpec/DescribeClass:
     - 'spec/acceptance/generate_markdown_spec.rb'
     - 'spec/acceptance/running_strings_generate_spec.rb'
 
-# Offense count: 48
+# Offense count: 51
 # Configuration parameters: CountAsOne.
 RSpec/ExampleLength:
   Max: 66
@@ -159,6 +157,7 @@ Style/ClassVars:
     - 'lib/puppet-strings/yard/templates/default/layout/html/setup.rb'
 
 # Offense count: 3
+# This cop supports unsafe autocorrection (--autocorrect-all).
 Style/CombinableLoops:
   Exclude:
     - 'lib/puppet-strings/markdown.rb'
@@ -187,3 +186,12 @@ Style/OptionalBooleanParameter:
     - 'lib/puppet-strings/yard/code_objects/type.rb'
     - 'lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb'
     - 'lib/puppet-strings/yard/handlers/ruby/function_handler.rb'
+
+# Offense count: 2
+# This cop supports unsafe autocorrection (--autocorrect-all).
+# Configuration parameters: ConvertCodeThatCanStartToReturnNil, AllowedMethods, MaxChainLength.
+# AllowedMethods: present?, blank?, presence, try, try!
+Style/SafeNavigation:
+  Exclude:
+    - 'lib/puppet-strings/yard/handlers/puppet/function_handler.rb'
+    - 'lib/puppet-strings/yard/handlers/ruby/function_handler.rb'
diff --git a/Gemfile b/Gemfile
index 5755615e..00823ad9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -36,7 +36,7 @@ group :development do
   gem 'rspec', '~> 3.1'
   gem 'rspec-its', '~> 1.0'
 
-  gem 'rubocop', '~> 1.64.0', require: false
+  gem 'rubocop', '~> 1.70.0', require: false
   gem 'rubocop-performance', '~> 1.16', require: false
   gem 'rubocop-rspec', '~> 3.0', require: false
 
diff --git a/README.md b/README.md
index 87efc885..a8143b52 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ Strings processes code and YARD-style code comments to create documentation in H
 
 ### Requirements
 
-* Ruby 2.7.0 or newer
-* Puppet 7.0.0 or newer
+* Ruby 3.1.0 or newer
+* Puppet 8.0.0 or newer
 
 ### Install Puppet Strings
 
diff --git a/lib/puppet-strings/markdown/base.rb b/lib/puppet-strings/markdown/base.rb
index 5e5e49b1..7e1fae38 100644
--- a/lib/puppet-strings/markdown/base.rb
+++ b/lib/puppet-strings/markdown/base.rb
@@ -181,7 +181,7 @@ def defaults
     def toc_info
       {
         name: name.to_s,
-        link: link,
+        link:,
         desc: summary || @registry[:docstring][:text][0..140].tr("\n", ' '),
         private: private?
       }
diff --git a/lib/puppet-strings/yard/code_objects/function.rb b/lib/puppet-strings/yard/code_objects/function.rb
index 03916a08..f7162d38 100644
--- a/lib/puppet-strings/yard/code_objects/function.rb
+++ b/lib/puppet-strings/yard/code_objects/function.rb
@@ -94,7 +94,7 @@ def to_hash
         hash[:signatures] << { signature: o.signature, docstring: PuppetStrings::Yard::Util.docstring_to_hash(o.docstring, %i[param option enum return example]) }
       end
     else
-      hash[:signatures] << { signature: signature, docstring: PuppetStrings::Yard::Util.docstring_to_hash(docstring, %i[param option enum return example]) }
+      hash[:signatures] << { signature:, docstring: PuppetStrings::Yard::Util.docstring_to_hash(docstring, %i[param option enum return example]) }
     end
 
     hash[:docstring] = PuppetStrings::Yard::Util.docstring_to_hash(docstring)
diff --git a/lib/puppet-strings/yard/handlers/puppet/base.rb b/lib/puppet-strings/yard/handlers/puppet/base.rb
index ffa0b0cc..16093351 100644
--- a/lib/puppet-strings/yard/handlers/puppet/base.rb
+++ b/lib/puppet-strings/yard/handlers/puppet/base.rb
@@ -21,7 +21,7 @@ def set_parameter_types(object)
     tags.each do |tag|
       next if statement.parameters.find { |p| tag.name == p.name }
 
-      log.warn "The @param tag for parameter '#{tag.name}' has no matching parameter at #{statement.file}:#{statement.line}." unless tag.name == 'name' || tag.name == 'title'
+      log.warn "The @param tag for parameter '#{tag.name}' has no matching parameter at #{statement.file}:#{statement.line}." unless %w[name title].include?(tag.name)
     end
 
     # Assign the types for the parameter
diff --git a/lib/puppet-strings/yard/handlers/ruby/base.rb b/lib/puppet-strings/yard/handlers/ruby/base.rb
index 81c3c9bf..a93a72d9 100644
--- a/lib/puppet-strings/yard/handlers/ruby/base.rb
+++ b/lib/puppet-strings/yard/handlers/ruby/base.rb
@@ -6,7 +6,7 @@
 class PuppetStrings::Yard::Handlers::Ruby::Base < YARD::Handlers::Ruby::Base
   # A regular expression for detecting the start of a Ruby heredoc.
   # Note: the first character of the heredoc start may have been cut off by YARD.
-  HEREDOC_START = /^<?<[-~]?['"]?(\w+)['"]?[^\n]*\n?/.freeze
+  HEREDOC_START = /^<?<[-~]?['"]?(\w+)['"]?[^\n]*\n?/
 
   protected
 
diff --git a/lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb b/lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb
index 20c85692..1dbd5bdc 100644
--- a/lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb
+++ b/lib/puppet-strings/yard/handlers/ruby/data_type_handler.rb
@@ -237,7 +237,7 @@ def extract_params(hash)
         default   = value['value'] unless value['value'].nil?
       end
       data_type = [data_type] unless data_type.nil? || data_type.is_a?(Array)
-      params_hash[key] = { types: data_type, default: default }
+      params_hash[key] = { types: data_type, default: }
     end
 
     params_hash
diff --git a/lib/puppet-strings/yard/handlers/ruby/provider_handler.rb b/lib/puppet-strings/yard/handlers/ruby/provider_handler.rb
index 9ce6213a..c1173c5f 100644
--- a/lib/puppet-strings/yard/handlers/ruby/provider_handler.rb
+++ b/lib/puppet-strings/yard/handlers/ruby/provider_handler.rb
@@ -61,7 +61,7 @@ def register_provider_docstring(object)
         # Look for a call to a dispatch method with a block
         next unless
           child.method_name &&
-          (child.method_name.source == 'desc' || child.method_name.source == 'doc=') &&
+          ['desc', 'doc='].include?(child.method_name.source) &&
           child.parameters(false).count == 1
 
         docstring = node_as_string(child.parameters[0])
diff --git a/lib/puppet-strings/yard/handlers/ruby/type_base.rb b/lib/puppet-strings/yard/handlers/ruby/type_base.rb
index 9e1fba87..5fbee56a 100644
--- a/lib/puppet-strings/yard/handlers/ruby/type_base.rb
+++ b/lib/puppet-strings/yard/handlers/ruby/type_base.rb
@@ -34,7 +34,7 @@ def find_docstring(node, kind)
       elsif child.is_a?(YARD::Parser::Ruby::MethodCallNode)
         # Look for a call to a dispatch method with a block
         next unless child.method_name &&
-                    (child.method_name.source == 'desc' || child.method_name.source == 'doc=') &&
+                    ['desc', 'doc='].include?(child.method_name.source) &&
                     child.parameters(false).count == 1
 
         docstring = node_as_string(child.parameters[0])
diff --git a/lib/puppet-strings/yard/parsers/puppet/statement.rb b/lib/puppet-strings/yard/parsers/puppet/statement.rb
index f61568e8..20ad8e62 100644
--- a/lib/puppet-strings/yard/parsers/puppet/statement.rb
+++ b/lib/puppet-strings/yard/parsers/puppet/statement.rb
@@ -7,7 +7,7 @@ module PuppetStrings::Yard::Parsers::Puppet
   # Represents the base Puppet language statement.
   class Statement
     # The pattern for parsing docstring comments.
-    COMMENT_REGEX = /^\s*#+\s?/.freeze
+    COMMENT_REGEX = /^\s*#+\s?/
 
     attr_reader :source, :file, :line, :docstring, :comments_range
 
@@ -170,7 +170,7 @@ def initialize(object, file)
       case type_expr
       when Puppet::Pops::Model::AccessExpression
         # TODO: I don't like rebuilding the source from the AST, but AccessExpressions don't expose the original source
-        @alias_of = +"#{PuppetStrings::Yard::Util.ast_to_text(type_expr.left_expr)}[" # alias_of should be mutable so we add a + to the string.
+        @alias_of = "#{PuppetStrings::Yard::Util.ast_to_text(type_expr.left_expr)}[" # alias_of should be mutable so we add a + to the string.
         @alias_of << type_expr.keys.map { |key| PuppetStrings::Yard::Util.ast_to_text(key) }.join(', ')
         @alias_of << ']'
       else
diff --git a/lib/puppet-strings/yard/tags/overload_tag.rb b/lib/puppet-strings/yard/tags/overload_tag.rb
index 04d0431f..11f654d9 100644
--- a/lib/puppet-strings/yard/tags/overload_tag.rb
+++ b/lib/puppet-strings/yard/tags/overload_tag.rb
@@ -75,8 +75,8 @@ def object=(value)
   # @param [Array] args The args passed to the method.
   # @param block The block passed to the method.
   # @return Returns what the method call on the object would return.
-  def method_missing(method_name, *args, &block)
-    return object.send(method_name, *args, &block) if object.respond_to? method_name
+  def method_missing(method_name, ...)
+    return object.send(method_name, ...) if object.respond_to? method_name
 
     super
   end
diff --git a/lib/puppet-strings/yard/templates/default/tags/setup.rb b/lib/puppet-strings/yard/templates/default/tags/setup.rb
index d6af2d2f..8b8a835b 100644
--- a/lib/puppet-strings/yard/templates/default/tags/setup.rb
+++ b/lib/puppet-strings/yard/templates/default/tags/setup.rb
@@ -4,13 +4,7 @@
 # @return [Array<YARD::Tag>] Returns the parameter tags if the object should have parameters.
 def param
   tag(:param) if
-    object.type == :method ||
-    object.type == :puppet_class ||
-    object.type == :puppet_data_type ||
-    object.type == :puppet_defined_type ||
-    object.type == :puppet_function ||
-    object.type == :puppet_task ||
-    object.type == :puppet_plan
+    %i[method puppet_class puppet_data_type puppet_defined_type puppet_function puppet_task puppet_plan].include?(object.type)
 end
 
 # Renders the overload section.
diff --git a/lib/puppet-strings/yard/util.rb b/lib/puppet-strings/yard/util.rb
index 8025b150..e0369f56 100644
--- a/lib/puppet-strings/yard/util.rb
+++ b/lib/puppet-strings/yard/util.rb
@@ -40,7 +40,7 @@ def self.tags_to_hashes(tags)
 
       tag = { tag_name: t.tag_name }
       # grab nested information for @option and @enum tags
-      if tag[:tag_name] == 'option' || tag[:tag_name] == 'enum'
+      if %w[option enum].include?(tag[:tag_name])
         tag[:opt_name] = t.pair.name
         tag[:opt_text] = t.pair.text
         tag[:opt_types] = t.pair.types if t.pair.types
diff --git a/puppet-strings.gemspec b/puppet-strings.gemspec
index f72c4fba..7a6dfb95 100644
--- a/puppet-strings.gemspec
+++ b/puppet-strings.gemspec
@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.summary = 'Puppet documentation via YARD'
   s.email = 'info@puppet.com'
   s.homepage = 'https://github.com/puppetlabs/puppet-strings'
-  s.required_ruby_version = '>= 2.7.0'
+  s.required_ruby_version = '>= 3.1.0'
 
   s.extra_rdoc_files = [
     'CHANGELOG.md',
@@ -22,7 +22,7 @@ Gem::Specification.new do |s|
   ]
   s.files = Dir['CHANGELOG.md', 'README.md', 'LICENSE', 'lib/**/*', 'exe/**/*']
 
-  s.add_runtime_dependency 'puppet', '>= 7.0.0'
-  s.add_runtime_dependency 'rgen', '~> 0.9'
-  s.add_runtime_dependency 'yard', '~> 0.9'
+  s.add_dependency 'puppet', '>= 8.0.0'
+  s.add_dependency 'rgen', '~> 0.9'
+  s.add_dependency 'yard', '~> 0.9'
 end
diff --git a/spec/unit/puppet-strings/json_spec.rb b/spec/unit/puppet-strings/json_spec.rb
index 03431245..b101b1a0 100644
--- a/spec/unit/puppet-strings/json_spec.rb
+++ b/spec/unit/puppet-strings/json_spec.rb
@@ -310,7 +310,7 @@ class klass(Integer $param1, $param2, String $param3 = hi) inherits foo::bar {
 #
 # @param [Proc] block The block to capture output from
 # @return [Hash] A hash containing the captured output
-def capture_output(&_block)
+def capture_output(&)
   begin
     $stdout = StringIO.new
     $stderr = StringIO.new