.travis.yml in roxml-4.1.1 vs .travis.yml in roxml-4.2.0

@@ -4,9 +4,10 @@
   - bundle update --bundler
 rvm:
   - 2.5.3
   - 2.6.1
   - 2.7.1
+  - 3.0.0
   - ruby-head
 
 matrix:
   allow_failures:
     - rvm: ruby-head