.travis.yml in guard-falcon-0.8.8 vs .travis.yml in guard-falcon-0.9.0

@@ -6,12 +6,12 @@
 before_script:
   - gem update --system
   - gem install bundler
 
 rvm:
-  - 2.3
   - 2.4
   - 2.5
+  - 2.6
   - jruby-head
   - ruby-head
   - rbx-3
 matrix:
   allow_failures: