diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 4f665ff8c5..5f730ac8b0 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 (3.12.0)
+    rspec-mocks (3.12.1)
       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@3.12.0.rbi b/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.1.rbi
similarity index 99%
rename from Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.0.rbi
rename to Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.1.rbi
index 5c9e0087a0..cc0de3ecfa 100644
--- a/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.0.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/rspec-mocks@3.12.1.rbi
@@ -752,8 +752,8 @@ class RSpec::Mocks::Matchers::HaveReceived
   def exactly(*args); end
   def failure_message; end
   def failure_message_when_negated; end
+  def matcher_name; end
   def matches?(subject, &block); end
-  def name; end
   def once(*args); end
   def ordered(*args); end
   def setup_allowance(_subject, &_block); end
@@ -803,8 +803,8 @@ class RSpec::Mocks::Matchers::Receive
   def description; end
   def does_not_match?(subject, &block); end
   def exactly(*args, &block); end
+  def matcher_name; end
   def matches?(subject, &block); end
-  def name; end
   def never(*args, &block); end
   def once(*args, &block); end
   def ordered(*args, &block); end
@@ -849,8 +849,8 @@ class RSpec::Mocks::Matchers::ReceiveMessageChain
   def and_yield(*args, &block); end
   def description; end
   def does_not_match?(*_args); end
+  def matcher_name; end
   def matches?(subject, &block); end
-  def name; end
   def setup_allowance(subject, &block); end
   def setup_any_instance_allowance(subject, &block); end
   def setup_any_instance_expectation(subject, &block); end
@@ -871,8 +871,8 @@ class RSpec::Mocks::Matchers::ReceiveMessages
 
   def description; end
   def does_not_match?(_subject); end
+  def matcher_name; end
   def matches?(subject); end
-  def name; end
   def setup_allowance(subject); end
   def setup_any_instance_allowance(subject); end
   def setup_any_instance_expectation(subject); end
@@ -1031,6 +1031,7 @@ class RSpec::Mocks::MethodDouble
   def usable_rspec_prepended_module; end
 end
 
+RSpec::Mocks::MethodDouble::FROZEN_ERROR_MSG = T.let(T.unsafe(nil), Regexp)
 class RSpec::Mocks::MethodDouble::RSpecPrependedModule < ::Module; end
 
 class RSpec::Mocks::MethodReference
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 3b1a1dbcbd..7406b2aa2f 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-3.12.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-expectations-3.12.0/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-mocks-3.12.0/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/rspec-mocks-3.12.1/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")