CI: Update travis Ruby versions (#871)

Ruby 2.7.0 is out as of 2019-12-15.
2020-01-10 12:57:48 -05:00 · 2020-01-10 12:57:48 -05:00 · e31a54e92d
parent 6a3bf0dae9
commit e31a54e92d
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -13,6 +13,7 @@ rvm:
  - 2.4.9
  - 2.5.7
  - 2.6.5
+  - 2.7.0
  - ruby-head

 matrix: