.travis.yml in stackprof-0.2.10 vs .travis.yml in stackprof-0.2.11

@@ -1,8 +1,8 @@
+sudo: false
 language: ruby
 rvm:
-  - 2.1.8
-  - 2.2.4
-  - 2.3.0
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
   - ruby-head
-script: "bundle exec rake test"
-sudo: false