diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index f7dfa0d..e9938be 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -12,4 +12,3 @@ jobs:
         with:
           days-before-stale: 90
           days-before-close: 30
-
diff --git a/lib/middleman-blog/extension.rb b/lib/middleman-blog/extension.rb
index 8d95582..0fc6daa 100644
--- a/lib/middleman-blog/extension.rb
+++ b/lib/middleman-blog/extension.rb
@@ -91,7 +91,7 @@ def initialize(app, options_hash = {}, &block)
       options.month_link = File.join(options.prefix, options.month_link)
       options.day_link = File.join(options.prefix, options.day_link)
 
-      options.custom_collections.each do |_key, opts|
+      options.custom_collections.each_value do |opts|
         opts[:link] = File.join(options.prefix, opts[:link])
       end
     end
diff --git a/lib/middleman-blog/helpers.rb b/lib/middleman-blog/helpers.rb
index 736af73..2c3602e 100644
--- a/lib/middleman-blog/helpers.rb
+++ b/lib/middleman-blog/helpers.rb
@@ -69,7 +69,7 @@ def is_blog_article?
       # @return [BlogArticle]
       def current_article
         article = current_resource
-        article if article&.is_a?(BlogArticle)
+        article if article.is_a?(BlogArticle)
       end
 
       # Get a path to the given tag page, based on the +taglink+ blog setting.
diff --git a/middleman-blog.gemspec b/middleman-blog.gemspec
index 3fadd07..e0439ed 100644
--- a/middleman-blog.gemspec
+++ b/middleman-blog.gemspec
@@ -1,18 +1,18 @@
 require "./lib/middleman-blog/version"
 
 Gem::Specification.new do | s |
-  s.name                  = "middleman-blog"
-  s.version               = Middleman::Blog::VERSION
-  s.platform              = Gem::Platform::RUBY
-  s.authors               = [ "Thomas Reynolds", "Ben Hollis", "Ian Warner" ]
-  s.email                 = [ "me@tdreyno.com", "ben@benhollis.net", "ian.warner@drykiss.com" ]
-  s.homepage              = "https://github.com/middleman/middleman-blog"
-  s.summary               = %q{ Blog engine for Middleman }
-  s.description           = %q{ Blog engine for Middleman }
-  s.license               = "MIT"
-  s.files                 = `git ls-files -z`.split( "\0" )
-  s.test_files            = `git ls-files -z -- {fixtures,features}/*`.split( "\0" )
-  s.require_paths         = [ "lib" ]
+  s.name          = "middleman-blog"
+  s.version       = Middleman::Blog::VERSION
+  s.platform      = Gem::Platform::RUBY
+  s.authors       = [ "Thomas Reynolds", "Ben Hollis", "Ian Warner" ]
+  s.email         = [ "me@tdreyno.com", "ben@benhollis.net", "ian.warner@drykiss.com" ]
+  s.homepage      = "https://github.com/middleman/middleman-blog"
+  s.summary       = %q{ Blog engine for Middleman }
+  s.description   = %q{ Blog engine for Middleman }
+  s.license       = "MIT"
+  s.files         = `git ls-files -z`.split( "\0" )
+  s.test_files    = `git ls-files -z -- {fixtures,features}/*`.split( "\0" )
+  s.require_paths = [ "lib" ]
   s.add_dependency("middleman-core", ">= 4.0.0")
   s.add_dependency("tzinfo", ">= 0.3.0")
   s.add_dependency("addressable", "~> 2.3")