.travis.yml in fluent-plugin-mysql-query-0.3.0 vs .travis.yml in fluent-plugin-mysql-query-1.0.0

@@ -1,6 +1,7 @@
 language: ruby
 
 rvm:
-  - 2.1
-  - 2.0.0
-  - 1.9.3
+  - 2.4.1
+  - 2.3.4
+  - 2.2.5
+  - 2.1.10