.travis.yml in taskinator-0.3.13 vs .travis.yml in taskinator-0.3.14

@@ -4,12 +4,13 @@
 
 services:
   - redis-server
 
 rvm:
-  - 2.2.8
-  - 2.3.5
-  - 2.4.2
+  - 2.2.10
+  - 2.3.7
+  - 2.4.4
+  - 2.5.1
 
 script: 'bundle exec rake spec'
 
 notifications:
   email: