.travis.yml in snuffleupagus-0.0.8 vs .travis.yml in snuffleupagus-0.0.9

@@ -1,12 +1,11 @@
 language: ruby
 
 rvm:
-  - 2.1
-  - 2.2
   - 2.3
   - 2.4
   - 2.5
+  - 2.6
 
 install:
   - bundle install --retry=3
 
 script: