diff --git a/govspeak.gemspec b/govspeak.gemspec
index a9de6f3d..a0bf5a77 100644
--- a/govspeak.gemspec
+++ b/govspeak.gemspec
@@ -42,6 +42,6 @@ library for use in the UK Government Single Domain project'
   s.add_development_dependency "minitest", "~> 5.14"
   s.add_development_dependency "pry-byebug"
   s.add_development_dependency "rake"
-  s.add_development_dependency "rubocop-govuk", "4.12.0"
+  s.add_development_dependency "rubocop-govuk", "4.13.0"
   s.add_development_dependency "simplecov"
 end
diff --git a/lib/govspeak/post_processor.rb b/lib/govspeak/post_processor.rb
index 2e477d9c..1da22de5 100644
--- a/lib/govspeak/post_processor.rb
+++ b/lib/govspeak/post_processor.rb
@@ -167,7 +167,7 @@ def initialize(html, govspeak_document)
 
     def output
       document = nokogiri_document
-      self.class.extensions.each do |_, block|
+      self.class.extensions.each do |(_, block)|
         instance_exec(document, &block)
       end
       document.to_html
diff --git a/lib/govspeak/presenters/contact_presenter.rb b/lib/govspeak/presenters/contact_presenter.rb
index 2264e3c4..c0893e66 100644
--- a/lib/govspeak/presenters/contact_presenter.rb
+++ b/lib/govspeak/presenters/contact_presenter.rb
@@ -59,7 +59,7 @@ def filter_post_addresses(addresses)
           # Not showing United Kingdom country is a "feature" lifted and shifted
           # from Whitehall:
           # https://github.com/alphagov/whitehall/blob/c67d53d80f9856549c2da1941a10dbb9170be494/lib/address_formatter/formatter.rb#L17
-          (key == "world_location" && value.strip == "United Kingdom" || value == "")
+          key == "world_location" && value.strip == "United Kingdom" || value == ""
         end
       end