diff --git a/Gemfile b/Gemfile
index 06ed10c..301344a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,4 +13,4 @@ gem "standard", "~> 1.3"
 
 gem "phlex", "~> 1.11"
 
-gem "steep", "~> 1.7", :group => :development
+gem "steep", "~> 1.7", group: :development
diff --git a/Gemfile.lock b/Gemfile.lock
index ba81738..ba33887 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,6 +26,7 @@ GEM
     drb (2.2.1)
     ffi (1.17.0)
     ffi (1.17.0-arm64-darwin)
+    ffi (1.17.0-x64-mingw-ucrt)
     fileutils (1.7.2)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
@@ -107,6 +108,7 @@ GEM
 PLATFORMS
   arm64-darwin-23
   ruby
+  x64-mingw-ucrt
 
 DEPENDENCIES
   minitest (~> 5.16)
diff --git a/lib/phlexite/router.rb b/lib/phlexite/router.rb
index 2363b53..1c2f5b9 100644
--- a/lib/phlexite/router.rb
+++ b/lib/phlexite/router.rb
@@ -1,4 +1,4 @@
-require 'fileutils'
+require "fileutils"
 
 class Phlexite::Router
   def initialize(base, site)
@@ -7,25 +7,25 @@ def initialize(base, site)
   end
 
   def group(new_base)
-    router = Phlexite::Router.new(File::join(@base, new_base), @site)
+    router = Phlexite::Router.new(File.join(@base, new_base), @site)
     yield router
   end
 
   def page(out_path, component)
     out = full_out_path(out_path)
-    FileUtils::mkdir_p File::dirname(out)
-    File::write(out, component.call)
+    FileUtils.mkdir_p File.dirname(out)
+    File.write(out, component.call)
   end
 
   def mount(local_directory, on:)
     out = full_out_path(on)
-    FileUtils::mkdir_p out
-    FileUtils::cp_r File::join(local_directory, "."), out
+    FileUtils.mkdir_p out
+    FileUtils.cp_r File.join(local_directory, "."), out
   end
 
-private
+  private
 
   def full_out_path(out_path)
-    File::join(@site.build_dir, @site.base_url, @base, out_path)
+    File.join(@site.build_dir, @site.base_url, @base, out_path)
   end
 end
diff --git a/lib/phlexite/site.rb b/lib/phlexite/site.rb
index 5232f8c..21ef3a1 100644
--- a/lib/phlexite/site.rb
+++ b/lib/phlexite/site.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative 'router.rb'
+require_relative "router"
 
 class Phlexite::Site < Phlexite::Router
   attr_accessor :build_dir, :base_url
diff --git a/test/test_phlexite.rb b/test/test_phlexite.rb
index 16e3ebd..703d7ed 100644
--- a/test/test_phlexite.rb
+++ b/test/test_phlexite.rb
@@ -12,10 +12,10 @@ def test_it_does_something_useful
   end
 
   def test_that_site_is_defined
-    assert ::Phlexite::Site != nil
+    assert !::Phlexite::Site.nil?
   end
 
   def test_that_router_is_defined
-    assert ::Phlexite::Router != nil
+    assert !::Phlexite::Router.nil?
   end
 end