.travis.yml in async-process-1.1.0 vs .travis.yml in async-process-1.1.1

@@ -1,17 +1,17 @@
 language: ruby
-sudo: false
-dist: trusty
+dist: xenial
 cache: bundler
+
 rvm:
-  - 2.0
-  - 2.1
-  - 2.2
   - 2.3
   - 2.4
+  - 2.5
+  - 2.6
   - jruby-head
   - ruby-head
   - rbx-3
+
 matrix:
   allow_failures:
     - rvm: ruby-head
     - rvm: jruby-head
     - rvm: rbx-3