diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index f884e36310..82057073ea 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
       rspec-mocks (~> 3.12.0)
     rspec-core (3.12.0)
       rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.0)
+    rspec-expectations (3.12.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-github (2.4.0)
diff --git a/Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.0.rbi b/Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.1.rbi
similarity index 99%
rename from Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.0.rbi
rename to Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.1.rbi
index 40c20c1405..ab2b3f05b6 100644
--- a/Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.0.rbi
+++ b/Library/Homebrew/sorbet/rbi/gems/rspec-expectations@3.12.1.rbi
@@ -230,6 +230,13 @@ class RSpec::Expectations::FailureAggregator
   def notify_aggregated_failures; end
 end
 
+RSpec::Expectations::FailureAggregator::AGGREGATED_FAILURE = T.let(T.unsafe(nil), RSpec::Expectations::FailureAggregator::AggregatedFailure)
+
+class RSpec::Expectations::FailureAggregator::AggregatedFailure
+  def inspect; end
+end
+
+RSpec::Expectations::FailureAggregator::AggregatedFailure::MESSAGE = T.let(T.unsafe(nil), String)
 RSpec::Expectations::LegacyMacherAdapter = RSpec::Expectations::LegacyMatcherAdapter
 
 class RSpec::Expectations::LegacyMatcherAdapter < ::RSpec::Matchers::MatcherDelegator
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 8eed3cc0a6..b281f81177 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -92,7 +92,7 @@ $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/ronn-0.7.3/lib")
 $:.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-expectations-3.12.1/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")