.travis.yml in taskinator-0.3.15 vs .travis.yml in taskinator-0.3.16

@@ -4,13 +4,13 @@
 
 services:
   - redis-server
 
 rvm:
-  - 2.2.10
-  - 2.3.7
-  - 2.4.4
-  - 2.5.1
+  - 2.4.10
+  - 2.5.8
+  - 2.6.6
+  - 2.7.2
 
 script: 'bundle exec rake spec'
 
 notifications:
   email: