Update .travis.yml

oreoshake · web-flow · commit c140809dd2f7 · 2020-01-21T10:45:34.000-10:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ language: ruby
 rvm:
   - ruby-head
   - 2.6
-  - 2.4
+  - 2.5
   - 2.4
   - jruby-head
 
