.travis.yml in niceql-0.1.24 vs .travis.yml in niceql-0.1.25

@@ -2,6 +2,6 @@
 language: ruby
 rvm:
   - 2.4
   - 2.5
   - 2.3
-  - 2.2
+  - 2.6
\ No newline at end of file