language: ruby
rvm:
  - 2.3.8
  - 2.4.5
  - 2.5.5
  - 2.6.2
addons:
  apt:
    packages:
      - libleveldb-dev
language: ruby
rvm:
  - 2.4.5
  - 2.5.5
  - 2.6.2
addons:
  apt:
    packages:
      - libleveldb-dev
Remove ruby 2.3 from Travis CI due to EoL
Remove ruby 2.3 from Travis CI due to EoL
