diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 497bef5f02..92bc88bfb2 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -13,8 +13,8 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/public_suffix-4.0.6/l
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/addressable-2.8.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ast-2.4.2/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/bindata-2.4.10/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/extensions/x86_64-darwin-14/2.6.0-static/msgpack-1.4.4"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/msgpack-1.4.4/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/extensions/x86_64-darwin-14/2.6.0-static/msgpack-1.4.5"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/msgpack-1.4.5/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/extensions/x86_64-darwin-14/2.6.0-static/bootsnap-1.10.3"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/bootsnap-1.10.3/lib"
 $:.unshift "#{path}/"