.travis.yml in protocol-1.0.1 vs .travis.yml in protocol-2.0.0

@@ -1,11 +1,14 @@
 rvm:
-  - 1.9.3
-  - 2.0.0
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
+  - 2.5
+  - 2.6
   - ruby-head
-  - rbx-19mode
-  - jruby-19mode
+  - jruby
 matrix:
   allow_failures:
     - rvm: ruby-head
-    - rvm: jruby-19mode
+    - rvm: jruby