diff --git a/lib/bundle_update_interactive/changelog_locator.rb b/lib/bundle_update_interactive/changelog_locator.rb
index 9abb265..bd89aa1 100644
--- a/lib/bundle_update_interactive/changelog_locator.rb
+++ b/lib/bundle_update_interactive/changelog_locator.rb
@@ -5,10 +5,13 @@
 
 GITHUB_PATTERN = %r{^(?:https?://)?github\.com/([^/]+/[^/]+)(?:\.git)?/?}
 URI_KEYS = %w[source_code_uri homepage_uri bug_tracker_uri wiki_uri].freeze
+FILE_PATTERN = /(?:changelog|changes|history|news|release)/
+EXT_PATTERN = /(?:md|txt|rdoc)/
 
 module BundleUpdateInteractive
   class ChangelogLocator
-    def find_changelog_uri(name:, version: nil)
+    # TODO: refactor
+    def find_changelog_uri(name:, version: nil) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
       if version
         response = Faraday.get("https://rubygems.org/api/v2/rubygems/#{name}/versions/#{version}.json")
         version = nil unless response.success?
@@ -30,7 +33,7 @@ def find_changelog_uri(name:, version: nil)
           github_repo = file_list.headers["Location"][GITHUB_PATTERN, 1]
           file_list = Faraday.get(file_list.headers["Location"])
         end
-        match = file_list.body.match(%r{/(#{github_repo}/blob/[^/]+/(?:changelog|changes|history|news|release)(?:\.(?:md|txt|rdoc))?)"}i)
+        match = file_list.body.match(%r{/(#{github_repo}/blob/[^/]+/#{FILE_PATTERN}(?:\.#{EXT_PATTERN})?)"}i)
         changelog_uri = "https://github.com/#{match[1]}" if match
       end
 
diff --git a/lib/bundle_update_interactive/cli/row.rb b/lib/bundle_update_interactive/cli/row.rb
index 144271f..11cc353 100644
--- a/lib/bundle_update_interactive/cli/row.rb
+++ b/lib/bundle_update_interactive/cli/row.rb
@@ -34,7 +34,7 @@ def formatted_current_version
     end
 
     def formatted_updated_version
-      version = semver_change.format(&method(:apply_semver_highlight))
+      version = semver_change.format { |part| apply_semver_highlight(part) }
       git_version = apply_semver_highlight(updated_git_version)
 
       [version, git_version].compact.join(" ")
diff --git a/lib/bundle_update_interactive/lockfile.rb b/lib/bundle_update_interactive/lockfile.rb
index 59dbc45..ccacd75 100644
--- a/lib/bundle_update_interactive/lockfile.rb
+++ b/lib/bundle_update_interactive/lockfile.rb
@@ -2,7 +2,8 @@
 
 module BundleUpdateInteractive
   class Lockfile
-    def self.parse(lockfile_contents=File.read("Gemfile.lock"))
+    # TODO: refactor
+    def self.parse(lockfile_contents=File.read("Gemfile.lock")) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity
       parser = Bundler::LockfileParser.new(lockfile_contents)
       specs_by_name = {}
       exact = Set.new
diff --git a/lib/bundle_update_interactive/outdated_gem.rb b/lib/bundle_update_interactive/outdated_gem.rb
index cda5c7c..8ddb5c6 100644
--- a/lib/bundle_update_interactive/outdated_gem.rb
+++ b/lib/bundle_update_interactive/outdated_gem.rb
@@ -66,7 +66,8 @@ def git_version_changed?
     def github_repo
       return nil unless updated_git_version
 
-      updated_lockfile_entry.git_source_uri.to_s[%r{^(?:git@github.com:|https://github.com/)([^/]+/[^/]+?)(:?\.git)?(?:$|/)}i, 1]
+      updated_lockfile_entry.git_source_uri.to_s[%r{^(?:git@github.com:|https://github.com/)([^/]+/[^/]+?)(:?\.git)?(?:$|/)}i,
+                                                 1]
     end
   end
 end