diff --git a/Library/Homebrew/bundle/brew_checker.rb b/Library/Homebrew/bundle/brew_checker.rb
index 3697ccc271..2270a119f7 100644
--- a/Library/Homebrew/bundle/brew_checker.rb
+++ b/Library/Homebrew/bundle/brew_checker.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/formula_installer"
@@ -10,6 +10,7 @@ module Homebrew
         PACKAGE_TYPE = :brew
         PACKAGE_TYPE_NAME = "Formula"
 
+        sig { params(formula: String, no_upgrade: T::Boolean).returns(T::Boolean) }
         def installed_and_up_to_date?(formula, no_upgrade: false)
           Homebrew::Bundle::FormulaInstaller.formula_installed_and_up_to_date?(formula, no_upgrade:)
         end
diff --git a/Library/Homebrew/bundle/cask_checker.rb b/Library/Homebrew/bundle/cask_checker.rb
index ed715daf1c..34d6b82407 100644
--- a/Library/Homebrew/bundle/cask_checker.rb
+++ b/Library/Homebrew/bundle/cask_checker.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/cask_installer"
@@ -10,6 +10,7 @@ module Homebrew
         PACKAGE_TYPE = :cask
         PACKAGE_TYPE_NAME = "Cask"
 
+        sig { params(cask: String, no_upgrade: T::Boolean).returns(T::Boolean) }
         def installed_and_up_to_date?(cask, no_upgrade: false)
           Homebrew::Bundle::CaskInstaller.cask_installed_and_up_to_date?(cask, no_upgrade:)
         end
diff --git a/Library/Homebrew/bundle/commands/dump.rb b/Library/Homebrew/bundle/commands/dump.rb
index 98e943a9ca..2a6628f060 100644
--- a/Library/Homebrew/bundle/commands/dump.rb
+++ b/Library/Homebrew/bundle/commands/dump.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/dumper"
@@ -7,6 +7,11 @@ module Homebrew
   module Bundle
     module Commands
       module Dump
+        sig {
+          params(global: T::Boolean, file: T.nilable(String), describe: T::Boolean, force: T::Boolean,
+                 no_restart: T::Boolean, taps: T::Boolean, formulae: T::Boolean, casks: T::Boolean,
+                 mas: T::Boolean, whalebrew: T::Boolean, vscode: T::Boolean).void
+        }
         def self.run(global:, file:, describe:, force:, no_restart:, taps:, formulae:, casks:, mas:, whalebrew:,
                      vscode:)
           Homebrew::Bundle::Dumper.dump_brewfile(
diff --git a/Library/Homebrew/bundle/commands/list.rb b/Library/Homebrew/bundle/commands/list.rb
index 595a698ec0..795d25df6f 100644
--- a/Library/Homebrew/bundle/commands/list.rb
+++ b/Library/Homebrew/bundle/commands/list.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/brewfile"
@@ -8,6 +8,10 @@ module Homebrew
   module Bundle
     module Commands
       module List
+        sig {
+          params(global: T::Boolean, file: T.nilable(String), formulae: T::Boolean, casks: T::Boolean,
+                 taps: T::Boolean, mas: T::Boolean, whalebrew: T::Boolean, vscode: T::Boolean).void
+        }
         def self.run(global:, file:, formulae:, casks:, taps:, mas:, whalebrew:, vscode:)
           parsed_entries = Brewfile.read(global:, file:).entries
           Homebrew::Bundle::Lister.list(
diff --git a/Library/Homebrew/bundle/commands/remove.rb b/Library/Homebrew/bundle/commands/remove.rb
index 844ef39d90..a3d9bf9851 100644
--- a/Library/Homebrew/bundle/commands/remove.rb
+++ b/Library/Homebrew/bundle/commands/remove.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "bundle/remover"
@@ -7,6 +7,7 @@ module Homebrew
   module Bundle
     module Commands
       module Remove
+        sig { params(args: T.anything, type: Symbol, global: T::Boolean, file: T.nilable(String)).void }
         def self.run(*args, type:, global:, file:)
           Homebrew::Bundle::Remover.remove(*args, type:, global:, file:)
         end
diff --git a/Library/Homebrew/bundle/lister.rb b/Library/Homebrew/bundle/lister.rb
index a813ac6cf5..d270d1e0eb 100644
--- a/Library/Homebrew/bundle/lister.rb
+++ b/Library/Homebrew/bundle/lister.rb
@@ -1,15 +1,23 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 module Homebrew
   module Bundle
     module Lister
+      sig {
+        params(entries: T::Array[Homebrew::Bundle::Dsl::Entry], formulae: T::Boolean, casks: T::Boolean,
+               taps: T::Boolean, mas: T::Boolean, whalebrew: T::Boolean, vscode: T::Boolean).void
+      }
       def self.list(entries, formulae:, casks:, taps:, mas:, whalebrew:, vscode:)
         entries.each do |entry|
           puts entry.name if show?(entry.type, formulae:, casks:, taps:, mas:, whalebrew:, vscode:)
         end
       end
 
+      sig {
+        params(type: Symbol, formulae: T::Boolean, casks: T::Boolean, taps: T::Boolean, mas: T::Boolean,
+               whalebrew: T::Boolean, vscode: T::Boolean).returns(T::Boolean)
+      }
       private_class_method def self.show?(type, formulae:, casks:, taps:, mas:, whalebrew:, vscode:)
         return true if formulae && type == :brew
         return true if casks && type == :cask
diff --git a/Library/Homebrew/bundle/tap_checker.rb b/Library/Homebrew/bundle/tap_checker.rb
index c36fb52e33..3919616425 100644
--- a/Library/Homebrew/bundle/tap_checker.rb
+++ b/Library/Homebrew/bundle/tap_checker.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 module Homebrew
@@ -8,6 +8,10 @@ module Homebrew
         PACKAGE_TYPE = :tap
         PACKAGE_TYPE_NAME = "Tap"
 
+        sig {
+          params(entries: T::Array[Homebrew::Bundle::Dsl::Entry], exit_on_first_error: T::Boolean,
+                 no_upgrade: T::Boolean, verbose: T::Boolean).returns(T::Array[String])
+        }
         def find_actionable(entries, exit_on_first_error: false, no_upgrade: false, verbose: false)
           requested_taps = format_checkable(entries)
           return [] if requested_taps.empty?
diff --git a/Library/Homebrew/bundle/vscode_extension_checker.rb b/Library/Homebrew/bundle/vscode_extension_checker.rb
index 44cfa6dca3..2106dca5e7 100644
--- a/Library/Homebrew/bundle/vscode_extension_checker.rb
+++ b/Library/Homebrew/bundle/vscode_extension_checker.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 module Homebrew
@@ -8,10 +8,12 @@ module Homebrew
         PACKAGE_TYPE = :vscode
         PACKAGE_TYPE_NAME = "VSCode Extension"
 
+        sig { params(extension: String, no_upgrade: T::Boolean).returns(String) }
         def failure_reason(extension, no_upgrade:)
           "#{PACKAGE_TYPE_NAME} #{extension} needs to be installed."
         end
 
+        sig { params(extension: String, no_upgrade: T::Boolean).returns(T::Boolean) }
         def installed_and_up_to_date?(extension, no_upgrade: false)
           require "bundle/vscode_extension_installer"
           Homebrew::Bundle::VscodeExtensionInstaller.extension_installed?(extension)
diff --git a/Library/Homebrew/cask/artifact/zap.rb b/Library/Homebrew/cask/artifact/zap.rb
index 0da02e1985..8773bb367a 100644
--- a/Library/Homebrew/cask/artifact/zap.rb
+++ b/Library/Homebrew/cask/artifact/zap.rb
@@ -1,4 +1,4 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 require "cask/artifact/abstract_uninstall"
@@ -7,6 +7,7 @@ module Cask
   module Artifact
     # Artifact corresponding to the `zap` stanza.
     class Zap < AbstractUninstall
+      sig { params(options: T.anything).void }
       def zap_phase(**options)
         dispatch_uninstall_directives(**options)
       end
diff --git a/Library/Homebrew/pour_bottle_check.rb b/Library/Homebrew/pour_bottle_check.rb
index 3ec8bb8a2d..40e627b75f 100644
--- a/Library/Homebrew/pour_bottle_check.rb
+++ b/Library/Homebrew/pour_bottle_check.rb
@@ -1,17 +1,20 @@
-# typed: true # rubocop:todo Sorbet/StrictSigil
+# typed: strict
 # frozen_string_literal: true
 
 class PourBottleCheck
   include OnSystem::MacOSAndLinux
 
+  sig { params(formula: T.class_of(Formula)).void }
   def initialize(formula)
     @formula = formula
   end
 
+  sig { params(reason: String).void }
   def reason(reason)
     @formula.pour_bottle_check_unsatisfied_reason = reason
   end
 
+  sig { params(block: T.proc.void).void }
   def satisfy(&block)
     @formula.send(:define_method, :pour_bottle?, &block)
   end
diff --git a/Library/Homebrew/test/bundle/commands/list_spec.rb b/Library/Homebrew/test/bundle/commands/list_spec.rb
index c92d42de11..eb59d5bdbb 100644
--- a/Library/Homebrew/test/bundle/commands/list_spec.rb
+++ b/Library/Homebrew/test/bundle/commands/list_spec.rb
@@ -58,12 +58,12 @@ RSpec.describe Homebrew::Bundle::Commands::List do
         verb = (options_list.length == 1 && "is") || "are"
 
         context "when #{opts} #{verb} passed" do
-          let(:formulae) { args_hash[:formulae] }
-          let(:casks) { args_hash[:casks] }
-          let(:taps) { args_hash[:taps] }
-          let(:mas) { args_hash[:mas] }
-          let(:whalebrew) { args_hash[:whalebrew] }
-          let(:vscode) { args_hash[:vscode] }
+          let(:formulae) { args_hash.fetch(:formulae, false) }
+          let(:casks) { args_hash.fetch(:casks, false) }
+          let(:taps) { args_hash.fetch(:taps, false) }
+          let(:mas) { args_hash.fetch(:mas, false) }
+          let(:whalebrew) { args_hash.fetch(:whalebrew, false) }
+          let(:vscode) { args_hash.fetch(:vscode, false) }
 
           it "shows only #{words}" do
             expected = options_list.map { |opt| types_and_deps[opt] }.join("\n")