.travis.yml in jsonrpctcp-1.0.2 vs .travis.yml in jsonrpctcp-1.0.4

@@ -1,7 +1,4 @@
 language: ruby
 rvm:
-  - 1.9.2
-  - 1.9.3
-  - 2.0.0
-  - 2.1.6
-  - 2.2.2
+  - 2.5.0
+  - ruby-head
\ No newline at end of file