diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 0f2f84bacf..4406ab96d0 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -25,7 +25,7 @@ $:.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"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/did_you_mean-1.6.1/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/diff-lcs-1.4.4/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"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/extensions/x86_64-darwin-14/2.6.0-static/unf_ext-0.0.8"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/unf_ext-0.0.8/lib"