diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index e1a7649e8c5b8..c528fff406656 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
-    bigdecimal (3.1.8)
+    bigdecimal (3.1.9)
     bindata (2.5.0)
     coderay (1.1.3)
     concurrent-ruby (1.3.4)
diff --git a/Library/Homebrew/sorbet/rbi/gems/bigdecimal@3.1.8.rbi b/Library/Homebrew/sorbet/rbi/gems/bigdecimal@3.1.9.rbi
similarity index 100%
rename from Library/Homebrew/sorbet/rbi/gems/bigdecimal@3.1.8.rbi
rename to Library/Homebrew/sorbet/rbi/gems/bigdecimal@3.1.9.rbi
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 9d1d3388555c2..2b5986fdcbfa8 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -37,8 +37,8 @@ def self.extension_api_version
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/public_suffix-6.0.1/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/addressable-2.8.7/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/ast-2.4.2/lib")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/arm64-darwin-20/#{Gem.extension_api_version}/bigdecimal-3.1.8")
-$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/bigdecimal-3.1.8/lib")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/extensions/arm64-darwin-20/#{Gem.extension_api_version}/bigdecimal-3.1.9")
+$:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/bigdecimal-3.1.9/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/bindata-2.5.0/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/coderay-1.1.3/lib")
 $:.unshift File.expand_path("#{__dir__}/../#{RUBY_ENGINE}/#{Gem.ruby_api_version}/gems/concurrent-ruby-1.3.4/lib/concurrent-ruby")