diff --git a/lib/prawn/dev/tasks.rb b/lib/prawn/dev/tasks.rb
index e0f9509..bd2418e 100644
--- a/lib/prawn/dev/tasks.rb
+++ b/lib/prawn/dev/tasks.rb
@@ -51,7 +51,6 @@
 end
 task docs: :yard
 
-require 'fileutils'
 def stash_yardopts
   if File.exist?('.yardopts')
     begin
diff --git a/lib/rubocop/cop/prawn/style/trailing_comma_fix.rb b/lib/rubocop/cop/prawn/style/trailing_comma_fix.rb
index c5fff9f..ab0884f 100644
--- a/lib/rubocop/cop/prawn/style/trailing_comma_fix.rb
+++ b/lib/rubocop/cop/prawn/style/trailing_comma_fix.rb
@@ -7,7 +7,8 @@ module Style
         module TrailingCommaFix
           def should_have_comma?(style, node)
             if style == :prawn_comma
-              node.loc.begin.line != node.loc.end.line # parens are on different lines
+              node.loc.begin && node.loc.end &&
+                (node.loc.begin.line != node.loc.end.line) # parens are on different lines
             else
               super
             end
diff --git a/prawn-dev.gemspec b/prawn-dev.gemspec
index 5918151..b592463 100644
--- a/prawn-dev.gemspec
+++ b/prawn-dev.gemspec
@@ -32,9 +32,9 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency('rake', '~> 13.0')
   spec.add_runtime_dependency('rouge', '~> 4.2')
   spec.add_runtime_dependency('rspec', '~> 3.12')
-  spec.add_runtime_dependency('rubocop', '~> 1.61.0')
-  spec.add_runtime_dependency('rubocop-performance', '~> 1.20.2')
-  spec.add_runtime_dependency('rubocop-rspec', '~> 2.26.1')
+  spec.add_runtime_dependency('rubocop', '~> 1.80.0')
+  spec.add_runtime_dependency('rubocop-performance', '~> 1.25.0')
+  spec.add_runtime_dependency('rubocop-rspec', '~> 3.6.0')
   spec.add_runtime_dependency('simplecov', '~> 0.22.0')
   spec.add_runtime_dependency('webrick', '~> 1.8.1')
   spec.add_runtime_dependency('yard', '~> 0.9.35')
diff --git a/rubocop.yml b/rubocop.yml
index 8d8217d..5918930 100644
--- a/rubocop.yml
+++ b/rubocop.yml
@@ -1,6 +1,8 @@
-require:
+plugins:
   - rubocop-performance
   - rubocop-rspec
+
+require:
   - rubocop/cop/prawn_cops
 
 AllCops:
@@ -584,18 +586,6 @@ Performance/StringInclude:
 Performance/Sum:
   Enabled: true
 
-RSpec/Capybara:
-  Enabled: false
-
-Capybara:
-  Enabled: false
-
-FactoryBot:
-  Enabled: false
-
-RSpec/Rails:
-  Enabled: false
-
 RSpec/BeEmpty:
   Enabled: true