diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 2ac36a4..b03ac6f 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -6,8 +6,9 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
-          - 3.0
+          - 3.1
           - 3.2
+          - 3.3
 
     runs-on: ubuntu-latest
     steps:
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..011ca7c
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,16 @@
+require:
+  - rubocop-performance
+
+AllCops:
+  NewCops: enable
+  TargetRubyVersion: 3.1
+
+Style/Documentation:
+  Enabled: false
+
+Gemspec/DevelopmentDependencies:
+  Enabled: false
+
+Naming/FileName:
+  Exclude:
+    - 'lib/appsignal-sourcemap.rb'
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index be173b2..7f4f5e9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 gemspec
diff --git a/appsignal-sourcemap.gemspec b/appsignal-sourcemap.gemspec
index 8ba79f7..a80167f 100644
--- a/appsignal-sourcemap.gemspec
+++ b/appsignal-sourcemap.gemspec
@@ -1,27 +1,28 @@
 # frozen_string_literal: true
 
-$LOAD_PATH.push File.expand_path("lib", __dir__)
+$LOAD_PATH.push File.expand_path('lib', __dir__)
 
 # Maintain your gem's version:
-require "appsignal/sourcemap/version"
+require 'appsignal/sourcemap/version'
 
 # Describe your gem and declare its dependencies:
 Gem::Specification.new do |spec|
-  spec.name = "appsignal-sourcemap"
+  spec.name = 'appsignal-sourcemap'
   spec.version = Appsignal::Sourcemap::VERSION
-  spec.authors = ["Drieam"]
-  spec.email = ["dev@drieam.com"]
-  spec.homepage = "https://github.com/drieam/appsignal-sourcemap"
-  spec.summary = "Upload private sourcemaps to appsignal"
+  spec.authors = ['Drieam']
+  spec.email = ['dev@drieam.com']
+  spec.homepage = 'https://github.com/drieam/appsignal-sourcemap'
+  spec.summary = 'Upload private sourcemaps to appsignal'
 
-  spec.metadata["allowed_push_host"] = "https://rubygems.pkg.github.com/Drieam"
+  spec.metadata['allowed_push_host'] = 'https://rubygems.pkg.github.com/Drieam'
 
-  spec.required_ruby_version = ">= 2.7"
+  spec.required_ruby_version = '>= 3.1'
 
-  spec.files = Dir["lib/**/*", "README.md"]
+  spec.files = Dir['lib/**/*', 'README.md']
 
-  spec.add_dependency "appsignal", "~> 3.0"
-  spec.add_dependency "parallel", "~> 1.0"
+  spec.add_dependency 'appsignal', '~> 3.0'
+  spec.add_dependency 'parallel', '~> 1.0'
 
-  spec.add_development_dependency "standard"
+  spec.add_development_dependency 'standard'
+  spec.metadata['rubygems_mfa_required'] = 'true'
 end
diff --git a/lib/appsignal-sourcemap.rb b/lib/appsignal-sourcemap.rb
index d96f0db..b630ab2 100644
--- a/lib/appsignal-sourcemap.rb
+++ b/lib/appsignal-sourcemap.rb
@@ -1,3 +1,3 @@
 # frozen_string_literal: true
 
-require "appsignal/sourcemap/hook"
+require 'appsignal/sourcemap/hook'
diff --git a/lib/appsignal/sourcemap/base.rb b/lib/appsignal/sourcemap/base.rb
new file mode 100644
index 0000000..b8160b0
--- /dev/null
+++ b/lib/appsignal/sourcemap/base.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Appsignal
+  module Sourcemap
+    class Base
+      private
+
+      def log_appsignal(message, type = 'info')
+        log_method = Appsignal.respond_to?(:internal_logger) ? 'internal_logger' : 'logger'
+        Appsignal.send(log_method).send(type, message)
+      end
+    end
+  end
+end
diff --git a/lib/appsignal/sourcemap/hook.rb b/lib/appsignal/sourcemap/hook.rb
index 7401b9f..a0dcb02 100644
--- a/lib/appsignal/sourcemap/hook.rb
+++ b/lib/appsignal/sourcemap/hook.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "appsignal/hooks"
+require 'appsignal/hooks'
 
 module Appsignal
   module Sourcemap
@@ -10,15 +10,15 @@ class SourcemapHook < Appsignal::Hooks::Hook
       def dependencies_present?
         defined?(::Rails) &&
           defined?(::Rake::Task) &&
-          Rake::Task.task_defined?("assets:precompile") &&
+          Rake::Task.task_defined?('assets:precompile') &&
           Appsignal.config &&
           Appsignal.config[:upload_sourcemaps]
       end
 
       def install
-        require "appsignal/sourcemap/supervisor"
+        require 'appsignal/sourcemap/supervisor'
 
-        Rake::Task["assets:precompile"].enhance do
+        Rake::Task['assets:precompile'].enhance do
           Appsignal::Sourcemap::Supervisor.start
         end
       end
diff --git a/lib/appsignal/sourcemap/supervisor.rb b/lib/appsignal/sourcemap/supervisor.rb
index f9330e5..45ea523 100644
--- a/lib/appsignal/sourcemap/supervisor.rb
+++ b/lib/appsignal/sourcemap/supervisor.rb
@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
-require "parallel"
-require "appsignal/sourcemap/uploader"
+require 'parallel'
+require 'appsignal/sourcemap/uploader'
 
 module Appsignal
   module Sourcemap
-    class Supervisor
+    class Supervisor < Base
       PARALLEL_THREADS = 10
 
       def self.start
@@ -15,27 +15,25 @@ def self.start
       def start
         return if invalid_preconditions
 
-        Appsignal.logger.info("Starting sourcemaps upload")
+        log_appsignal('Starting sourcemaps upload')
 
         Parallel.each(source_map_paths, in_threads: PARALLEL_THREADS) do |source_map_path|
           Uploader.upload(source_map_path)
         end
 
-        Appsignal.logger.info("Finished sourcemaps upload")
+        log_appsignal('Finished sourcemaps upload')
       end
 
       private
 
       def invalid_preconditions
         unless Appsignal.config.valid?
-          return Appsignal.logger.error("Skipping sourcemaps upload since Appsignal config is invalid")
+          return log_appsignal('Skipping sourcemaps upload since Appsignal config is invalid', 'error')
         end
         if asset_host.blank?
-          return Appsignal.logger.error("Skipping sourcemaps upload since Rails asset_host is not set")
-        end
-        if source_map_paths.empty?
-          return Appsignal.logger.info("Skipping sourcemaps upload since no javascript maps are found")
+          return log_appsignal('Skipping sourcemaps upload since Rails asset_host is not set', 'error')
         end
+        return log_appsignal('Skipping sourcemaps upload since no javascript maps are found') if source_map_paths.empty?
 
         false
       end
@@ -45,7 +43,7 @@ def asset_host
       end
 
       def source_map_paths
-        Dir.glob("**/*.map", base: Rails.public_path)
+        Dir.glob('**/*.map', base: Rails.public_path)
       end
     end
   end
diff --git a/lib/appsignal/sourcemap/uploader.rb b/lib/appsignal/sourcemap/uploader.rb
index 113aeb8..be6a6f2 100644
--- a/lib/appsignal/sourcemap/uploader.rb
+++ b/lib/appsignal/sourcemap/uploader.rb
@@ -2,8 +2,8 @@
 
 module Appsignal
   module Sourcemap
-    class Uploader
-      UPLOAD_URI = URI("https://appsignal.com/api/sourcemaps")
+    class Uploader < Base
+      UPLOAD_URI = URI('https://appsignal.com/api/sourcemaps')
 
       def self.upload(sourcemap_path)
         new(sourcemap_path).upload
@@ -11,22 +11,29 @@ def self.upload(sourcemap_path)
 
       def initialize(sourcemap_path)
         @sourcemap_path = sourcemap_path
+        super
       end
 
-      def upload # rubocop:disable Metrics/AbcSize
-        Appsignal.logger.debug "Starting sourcemap upload '#{@sourcemap_path}' with parameters: #{request_form_data}"
+      def upload
+        log_appsignal("Starting sourcemap upload '#{@sourcemap_path}' with parameters: #{request_form_data}", 'debug')
 
         response = Net::HTTP.start(UPLOAD_URI.hostname, UPLOAD_URI.port, use_ssl: true) do |http|
           http.request(request)
         end
 
         if response.is_a?(Net::HTTPSuccess)
-          Appsignal.logger.debug("Finished sourcemap upload '#{@sourcemap_path}'")
+          log_appsignal("Finished sourcemap upload '#{@sourcemap_path}'", 'debug')
           File.delete(sourcemap_full_path)
           return
         end
 
-        Appsignal.logger.error <<~MESSAGE
+        log_appsignal(error_message(response), 'error')
+      end
+
+      private
+
+      def error_message(response)
+        <<~MESSAGE
           Uploading sourcemap #{@sourcemap_path} failed with message '#{response.message}'.
 
             Response: #{response.body}
@@ -34,26 +41,24 @@ def upload # rubocop:disable Metrics/AbcSize
         MESSAGE
       end
 
-      private
-
       def sourcemap_full_path
         Rails.public_path.join(@sourcemap_path)
       end
 
       def request
         Net::HTTP::Post.new(UPLOAD_URI).tap do |request|
-          request.set_form request_form_data, "multipart/form-data"
+          request.set_form request_form_data, 'multipart/form-data'
         end
       end
 
       def request_form_data
         [
-          ["push_api_key", Appsignal.config[:push_api_key]],
-          ["app_name", Appsignal.config[:name]],
-          ["revision", Appsignal.config[:revision]],
-          ["environment", Appsignal.config.env],
-          ["name[]", source_url],
-          ["file", sourcemap_content]
+          ['push_api_key', Appsignal.config[:push_api_key]],
+          ['app_name', Appsignal.config[:name]],
+          ['revision', Appsignal.config[:revision]],
+          ['environment', Appsignal.config.env],
+          ['name[]', source_url],
+          ['file', sourcemap_content]
         ]
       end
 
@@ -66,7 +71,7 @@ def source_url
       end
 
       def js_path
-        @sourcemap_path.delete_suffix(".map")
+        @sourcemap_path.delete_suffix('.map')
       end
 
       def asset_host
diff --git a/lib/appsignal/sourcemap/version.rb b/lib/appsignal/sourcemap/version.rb
index 67aac89..c5a8c6e 100644
--- a/lib/appsignal/sourcemap/version.rb
+++ b/lib/appsignal/sourcemap/version.rb
@@ -2,6 +2,6 @@
 
 module Appsignal
   module Sourcemap
-    VERSION = "1.0.0.develop"
+    VERSION = '1.0.0.develop'
   end
 end