diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index bb73274e47..49cf424788 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -120,7 +120,7 @@ GEM
     rspec-its (1.3.0)
       rspec-core (>= 3.0.0)
       rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.12.3)
+    rspec-mocks (3.12.4)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-retry (0.6.2)
diff --git a/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.3.rbi b/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.4.rbi
similarity index 99%
rename from Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.3.rbi
rename to Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.4.rbi
index cc0de3ecfa..2f8ed4b939 100644
--- a/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.3.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.4.rbi
@@ -803,6 +803,7 @@ class RSpec::Mocks::Matchers::Receive
   def description; end
   def does_not_match?(subject, &block); end
   def exactly(*args, &block); end
+  def inspect(*args, &block); end
   def matcher_name; end
   def matches?(subject, &block); end
   def never(*args, &block); end
@@ -817,6 +818,7 @@ class RSpec::Mocks::Matchers::Receive
   def thrice(*args, &block); end
   def time(*args, &block); end
   def times(*args, &block); end
+  def to_s(*args, &block); end
   def twice(*args, &block); end
   def with(*args, &block); end
 
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index fa649ff4b2..86695853d9 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -93,7 +93,7 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-support-3.12.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-core-3.12.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-expectations-3.12.2/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-mocks-3.12.3/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-mocks-3.12.4/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-3.12.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-github-2.4.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-its-1.3.0/lib")