diff --git a/Library/Homebrew/dev-cmd/bump.rb b/Library/Homebrew/dev-cmd/bump.rb
index 89f9ede7b3..7a5c6b427e 100644
--- a/Library/Homebrew/dev-cmd/bump.rb
+++ b/Library/Homebrew/dev-cmd/bump.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "cli/parser"
 
 module Homebrew
diff --git a/Library/Homebrew/utils/repology.rb b/Library/Homebrew/utils/repology.rb
index 0ee4fabc01..80973956b1 100644
--- a/Library/Homebrew/utils/repology.rb
+++ b/Library/Homebrew/utils/repology.rb
@@ -1,5 +1,7 @@
-require 'net/http'
-require 'json'
+# frozen_string_literal: true
+
+require "net/http"
+require "json"
 
 module RepologyParser
   def call_api(url)
@@ -11,22 +13,22 @@ module RepologyParser
     JSON.parse(response)
   end
 
-  def query_repology_api(last_package_in_response = '')
-    url = 'https://repology.org/api/v1/projects/' + last_package_in_response + '?inrepo=homebrew&outdated=1'
+  def query_repology_api(last_package_in_response = "")
+    url = "https://repology.org/api/v1/projects/#{last_package_in_response}?inrepo=homebrew&outdated=1"
 
     call_api(url)
   end
 
-  def parse_repology_api()
+  def parse_repology_api
     puts "\n-------- Query outdated packages from Repology --------"
     page_no = 1
     puts "\n- Paginating repology api page: #{page_no}"
 
-    outdated_packages = query_repology_api('')
+    outdated_packages = query_repology_api("")
     last_pacakge_index = outdated_packages.size - 1
     response_size = outdated_packages.size
 
-    while response_size > 1  do
+    while response_size > 1
       page_no += 1
       puts "\n- Paginating repology api page: #{page_no}"