.travis.yml in rationalist-2.0.0 vs .travis.yml in rationalist-2.0.1

@@ -1,13 +1,20 @@
 sudo: false
 language: ruby
 
 rvm:
-- 2.2
+- 2.7
+- 2.6
+- 2.5
+- 2.4
+- 2.3
 - ruby-head
-- jruby-head
+- jruby-9.2.9.0
+- truffleruby
 
-cache:
-- bundler
-
-# matrix:
+matrix:
+  allow_failures:
+    - rvm: 2.3
+    - rvm: ruby-head
+    - rvm: jruby-2.9.2.0
+    - rvm: truffleruby
 #   fast_finish: true