.travis.yml in test_diff-0.3.4 vs .travis.yml in test_diff-0.4.0

@@ -1,8 +1,8 @@
 language: ruby
 rvm:
-  - 1.9.3
-  - 2.0.0
-  - 2.1.0
-  - 2.2.0
-  - jruby-19mode
-  - rbx-2
+  - 1.9
+  - 2.0
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
\ No newline at end of file