Warning with Ruby 2.7.1

[techvineet]

I am getting this warning in logs for
Ruby: 2.7.1
Rails: 6.0.3.3

imatcher-0.1.9/lib/imatcher/modes/delta.rb:12: warning: Using the last argument as keyword parameters is deprecated; maybe ** should be added to the call

[dgmstuart]

This now breaks in Ruby 3