diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 91ec4112a1..71007d8302 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -23,7 +23,7 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/byebug-11.1.3/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/coderay-1.1.3/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/highline-2.0.3/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/commander-4.6.0/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/connection_pool-2.2.5/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/connection_pool-2.3.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/did_you_mean-1.6.1/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/diff-lcs-1.5.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/docile-1.4.0/lib"