.travis.yml in caching-0.0.4 vs .travis.yml in caching-0.0.5

@@ -1,6 +1,18 @@
 language: ruby
 rvm:
-  - 1.9.2
-  - 1.9.3
   - 2.0
-  - jruby
+  - 2.1
+  - 2.2
+  - 2.3.0
+  - 2.4.0
+  - 2.5.0
+  - 2.6.0
+  - ruby-head
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - rvm: ruby-head
+
+before_install:
+  - gem install bundler -v "< 2"
\ No newline at end of file